Just curious, What would happen if I did short the potentiometer screw on the pololu step stick to something (say a nearby surface mount resistor or cap) while it was powered with 12V. I actually did this yesterday. Now the LCD screen is blank white (full on) with the external power supply switched on. With USB power ONLY, the LCD screen works fine but is dimmer than usual. Also, The arduino boaby hedron - RAMPS Electronics
We have a Cherry Pi Delta and a RepRapPro Mendel Mono up and printing. We can make printed parts for people who need parts for a 3d printer for a reasonable fee. Check us out on .by hedron - Oregon, Portland RepRap User Group
Hey,how much power is your peltier cooler? do you have any pictures? My geeetech hotend is jamming due to filament expansion in the barrel and I think it's because the fan it came with is insufficient. This is the one I have,by hedron - General