Universal Laser Controller GRBL

The Box contains a selfmade PWM PCB and an arduino with GRBL shield.

The PWM PCB supports the following operation modes:
- ENABLE and PWM from GRBL shield
- ENABLE from GRBL and PWM self generated
- ENABLE always HIGH and PWM self generated
- external ENABLE and self generated PWM
- external ENABLE and PWM

Code and further instructions on request.
(lazy about writing)

Printing: PLA 0.2mm layer height. No supports needed.