Bonjour
Pour le fichierConfiguration :
// 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 (defined in Adafruit_NeoPixel.h)
#define NEOPIXEL_PIN 4 // LED driving pin
//#define NEOPIXEL2_TYPE NEOPIXEL_TYPE
//#define NEOPIXEL2_PIN 5
#define NEOPIXEL_PIXELS 30 // Number of LEDs in the strip, larger of 2 strips if 2 neopixel strips are used
//#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
// Use a single Neopixel LED for static (background) lighting
//#define NEOPIXEL_BKGD_LED_INDEX 0 // Index of the LED to use
//#define NEOPIXEL_BKGD_COLOR { 255, 255, 255, 0 } // R, G, B, W
#endif
Et pour le fichier Configuration_adv :
/**
* M355 Case Light on-off / brightness
*/
#define CASE_LIGHT_ENABLE
#if ENABLED(CASE_LIGHT_ENABLE)
#define CASE_LIGHT_PIN 4 // Override the default pin if needed
#define INVERT_CASE_LIGHT false // Set true if Case Light is ON when pin is LOW
#define CASE_LIGHT_DEFAULT_ON true // Set default power-up state on
#define CASE_LIGHT_DEFAULT_BRIGHTNESS 105 // Set default power-up brightness (0-255, requires PWM pin)
//#define CASE_LIGHT_MAX_PWM 128 // Limit pwm
#define CASE_LIGHT_MENU // Add Case Light options to the LCD menu
//#define CASE_LIGHT_NO_BRIGHTNESS // Disable brightness control. Enable for non-PWM lighting.
#define CASE_LIGHT_USE_NEOPIXEL // Use Neopixel LED as case light, requires NEOPIXEL_LED.
#if ENABLED(CASE_LIGHT_USE_NEOPIXEL)
#define CASE_LIGHT_NEOPIXEL_COLOR { 255, 255, 255, 255 } // { Red, Green, Blue, White }
#endif
#endif
Voilà tu as tout !!!