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General Mach Discussion / Re: Random Direction
« on: October 18, 2015, 08:25:49 AM »
Just a shot in the dark...
If you are using the Parallel Port for communication then it is possible that your PC output voltage is to the 3.3Volt TTL specification and your controller requires a 5Volt TTL signal for correct operation.
Tweakie.
If you are using the Parallel Port for communication then it is possible that your PC output voltage is to the 3.3Volt TTL specification and your controller requires a 5Volt TTL signal for correct operation.
Tweakie.