Patch up some verbiage in configs

Marlin/Configuration.h

@@ -1608,17 +1608,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1634,11 +1634,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1657,18 +1657,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/AlephObjects/TAZ4/Configuration.h

@@ -1628,17 +1628,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1654,11 +1654,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1677,18 +1677,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/AliExpress/CL-260/Configuration.h

@@ -1608,17 +1608,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1634,11 +1634,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1657,18 +1657,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Anet/A6/Configuration.h

@@ -1767,17 +1767,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1793,11 +1793,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1816,18 +1816,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Anet/A8/Configuration.h

@@ -1616,17 +1616,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1642,11 +1642,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1665,18 +1665,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/BQ/Hephestos/Configuration.h

@@ -1599,17 +1599,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1625,11 +1625,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1648,18 +1648,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/BQ/Hephestos_2/Configuration.h

@@ -1609,17 +1609,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1635,11 +1635,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1658,18 +1658,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/BQ/WITBOX/Configuration.h

@@ -1599,17 +1599,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1625,11 +1625,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1648,18 +1648,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Cartesio/Configuration.h

@@ -1607,17 +1607,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1633,11 +1633,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1656,18 +1656,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Creality/CR-10/Configuration.h

@@ -1618,17 +1618,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1644,11 +1644,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1667,18 +1667,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Felix/Configuration.h

@@ -1590,17 +1590,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1616,11 +1616,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1639,18 +1639,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Felix/DUAL/Configuration.h

@@ -1590,17 +1590,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1616,11 +1616,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1639,18 +1639,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Folger Tech/i3-2020/Configuration.h

@@ -1613,17 +1613,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1639,11 +1639,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1662,18 +1662,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 #define NUM_SERVOS 2 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Geeetech/GT2560/Configuration.h

@@ -1623,17 +1623,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1649,11 +1649,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1672,18 +1672,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -1608,17 +1608,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1634,11 +1634,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1657,18 +1657,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 #define NUM_SERVOS 1 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Infitary/i3-M508/Configuration.h

@@ -1612,17 +1612,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1638,11 +1638,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1661,18 +1661,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Malyan/M150/Configuration.h

@@ -1636,17 +1636,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1662,11 +1662,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1685,18 +1685,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Micromake/C1/README.md

@@ -13,4 +13,3 @@ Configuration files for Micromake C1 with…
   - 128 STEPS configured with jumper on the motherboard (all open for 128 Steps).
   - Capacitive Probe (Adjust offsets at your convenience)
   - French language with no accents for Japanese LCD.
-  

Marlin/example_configurations/Micromake/C1/basic/Configuration.h

@@ -1612,17 +1612,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1638,11 +1638,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1661,18 +1661,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Micromake/C1/enhanced/Configuration.h

@@ -1612,17 +1612,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1638,11 +1638,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1661,18 +1661,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

@@ -1608,17 +1608,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1634,11 +1634,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1657,18 +1657,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/RigidBot/Configuration.h

@@ -1608,17 +1608,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1634,11 +1634,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1657,18 +1657,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/SCARA/Configuration.h

@@ -1620,17 +1620,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1646,11 +1646,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1669,18 +1669,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Sanguinololu/Configuration.h

@@ -1639,17 +1639,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 #define RGB_LED
@@ -1665,11 +1665,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1688,18 +1688,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/TinyBoy2/Configuration.h

@@ -1664,17 +1664,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1690,11 +1690,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1713,18 +1713,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Velleman/K8200/Configuration.h

@@ -1643,17 +1643,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1669,11 +1669,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1692,18 +1692,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Velleman/K8400/Configuration.h

@@ -1608,17 +1608,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1634,11 +1634,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1657,18 +1657,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/Velleman/K8400/Dual-head/Configuration.h

@@ -1608,17 +1608,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1634,11 +1634,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1657,18 +1657,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/adafruit/ST7565/Configuration.h

@@ -1608,17 +1608,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1634,11 +1634,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1657,18 +1657,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h

@@ -1736,17 +1736,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1762,11 +1762,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1785,18 +1785,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h

@@ -1729,17 +1729,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1755,11 +1755,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1778,18 +1778,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/delta/generic/Configuration.h

@@ -1724,17 +1724,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1750,11 +1750,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1773,18 +1773,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/delta/kossel_mini/Configuration.h

@@ -1727,17 +1727,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1753,11 +1753,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1776,18 +1776,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/delta/kossel_pro/Configuration.h

@@ -1727,17 +1727,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1753,11 +1753,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1776,18 +1776,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/delta/kossel_xl/Configuration.h

@@ -1736,17 +1736,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1762,11 +1762,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1785,18 +1785,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/gCreate/gMax1.5+/Configuration.h

@@ -1622,17 +1622,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1648,11 +1648,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1671,18 +1671,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 #define NUM_SERVOS 2 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/makibox/Configuration.h

@@ -1611,17 +1611,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1637,11 +1637,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1660,18 +1660,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/tvrrug/Round2/Configuration.h

@@ -1603,17 +1603,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1629,11 +1629,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1652,18 +1652,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/example_configurations/wt150/Configuration.h

@@ -1613,17 +1613,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1639,11 +1639,11 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
-  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness (0-255)
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
@@ -1662,18 +1662,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.