On Wednesday 18 November 2020 10:14:25 Jon Elson wrote: > On 11/18/2020 09:03 AM, Gene Heskett wrote: > > I have apparently damaged the encoders output stages, and hooking > > its leads up to the bobs inputs results in the rising edge of the > > signal looking like its charging a large capacitance. Falling edge > > is fine. Quadrature is excellent. > > Perhaps the encoder just needs a pull-up resistor to +5 V?
I shoulda thought of that Jon. I'll try a couple 10 k's. Might not be enough, but it will answer the question. The signals are classic rail to rail when disconnected from the bob and just driving the 10 meg scope probes. Thanks. > Jon > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
