PWM laser (Endurance Laser, 10W) which can handle 12v PWM.
So my issue is that when I use the PWM output for the fan on my Anet A8, the laser just stays on full power.
the laser has it’s own power supply.
I’m wondering if the Anet board is switching the ground, not the +12v? can anyone confirm? If this is the case, and I am using seperate supplies, the +12V would just be floating, so I think I am correct in saying that either the mainboard and laser need to share the same supply, or at the very least have their respective grounds tied together?
Any help would be most appreciated.