LEDs and power down

[output_pin caselight]
pin: PD13             #your control board pin number
pwm: true        #enable pwm control for the led brightness
shutdown_value: 0    #brightness on printer error
value: 0.3        #value when printer turns on
cycle_time: 0.0025    #fast-ish cycle time


[gcode_macro led_on]
description: turn the LED on
gcode:
    SET_PIN PIN=caselight VALUE=0.3        #adjust value for designed brightness


[gcode_macro led_off]
description: turn the LED off
gcode:
    SET_PIN PIN=caselight VALUE=0        #set value to 0