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See Search Results for Query: Co2 blackbox wp th gnd | OpenBuilds
See 60w CO2 Laser BlackBox wire up and other threads here But basically: GND to GND PWM to TH Potentiometer wired between GND, 5V and IN (wiper...
Please excuse my ignorance but I am confused on "PWM to TH". What does the "TH" stand for? I am currently wiring up my K40 power supply to the...