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FAQs / Re: PC / Relay board communication problem
« on: November 30, 2010, 03:01:01 PM »
Hi Tweakie
No communication at all.
Maybe optocouplers are burnt, but why LPT pins doesn't change state in Mach3's Diagnostic?
No communication at all.
Maybe optocouplers are burnt, but why LPT pins doesn't change state in Mach3's Diagnostic?