Jon Do you care to elaborate on the diode encoder? On 2013/06/03 02:42 AM, Jon Elson wrote: > Dave wrote: >> I've look at the CNC4PC pendants and I have looked at the pendants on >> Ebay. > I think the CNC4PC is a pretty good design, and should be reasonably > robust. > I have basically duplicated the function of that unit myself. The > only change > I made was to reverse the polarity of the white button, so it is > normally open. > This enabled the MPG when pushed. When not pushed, the MPG has > no effect of the machine. The only reason I made my own is the CNC4PC > is a bit expensive for what is in it. I also added a diode encoder so I > could control 4 axes plus spindle override and feed override with only > 3 wires to 3 digital inputs. (Another 2 for the rate select switch.) > > Jon > >
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