the B has a common +5V on the step and direction pins. I have the b Jason On Sat, 2007-10-27 at 16:44 -0700, Kirk Wallace wrote: > Is this the controller? > > http://www.sei-automation.com/products/StepMotor/Q2HB44.html > > > On Sun, 2007-10-28 at 09:52 +1100, Jason Cox wrote: > > Hi all, > > I have just changes out one of my H-bridge for the above controller. I > > now have one problem, the old driver had step/dir signals referanced to > > ground. the new one has a common referance to +5v :( > > > > so now fot the question, > > > > can a setup a signal from the parallel port to fake the +5v required for > > the opto inputs? > > > > anyone have a simple solution for a level conversion / buffer? > > > > Jason Cox >
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