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General Mach Discussion / Re: Stepper motor working in 1 direction only!
« on: March 15, 2011, 09:50:21 AM »
Dave,
Pins 6 & 7 are the low end of the opto isolator circuits and they should be connected to Ground or 0 Volts (pins 18-25 of the LPT port if you are not using a breakout board or 0 Volts of the active breakout board supply).
Tweakie.
Pins 6 & 7 are the low end of the opto isolator circuits and they should be connected to Ground or 0 Volts (pins 18-25 of the LPT port if you are not using a breakout board or 0 Volts of the active breakout board supply).
Tweakie.