I want to add an LED stripe to my printer which is showing the temperature of the active nozzle.
For example if the nozzle is cold it should be blue if the nozzle has reached the temp it should be red.
Can I send M42 P13 S220 to send the PWM value 220 (220°C) to heater4 pin and read it out on an arduino which is controlling my LED stripe? Would this work?
If this works I need to do this automatically every second, and the parameter Sxxx should be the actual temperature how can I do this???
I hope anybody could help me to do this.