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General Mach Discussion / Re: Help getting my machine running...
« on: November 19, 2011, 11:40:01 AM »
Hi Peter,
You can measure the voltage on the parallel port (Direction pins only) with a multimeter. Connect the meter between pin 3 and GND (which is pins 18 to 25) then jogging the X Axis in one direction will give approx 5 Volts and jogging in the opposite direction will give approx 0 Volts.
Tweakie.
You can measure the voltage on the parallel port (Direction pins only) with a multimeter. Connect the meter between pin 3 and GND (which is pins 18 to 25) then jogging the X Axis in one direction will give approx 5 Volts and jogging in the opposite direction will give approx 0 Volts.
Tweakie.