Interesting. What software do you use with that?
On Fri, Jun 1, 2018 at 11:32 AM, Chris Albertson <albertson.ch...@gmail.com> wrote: > On Thu, May 31, 2018 at 5:38 PM, Gene Heskett <ghesk...@shentel.net> > wrote: > > > On Thursday 31 May 2018 19:45:24 jeremy youngs wrote: > > > > > Encoders in hand, shaft turned and mounted, it looks good, 3 more to > > > do . encoderawcount.jpg > > > <https://drive.google.com/file/d/1oHklBMnxpmTGl-ZzVBCtBkDbsFxwydN_/vie > > >w?usp=drivesdk> > > > > That does look pretty good at first glance. I can't read the clocking > > rate though. Humm, I just found the viewer has a zoom. So I assume you > > were turning it by hand as the timing shows 2/1 variations on a 10 > > millisecond per grid line, so thats pretty slow. What it looks like at 3 > > to 5k revs will tell the story. But you are not going to get that > > display at 3 to 5k in halscope. That will need a good scope, > > > > Scopes are good, they will let yu find glitches like housing contacts but > optical encoders don't have that problem > > Last night I was using by cheap $8 logic analyzer. Those things are good > for the money I could measure the duty cycle of a two 10KHz PWM signals > and the A/B channels for two encoders and > ...ebay.com/itm/New-USB-Logic-Analyzer-... > <https://www.ebay.com/itm/New-USB-Logic-Analyzer-Device-Set- > USB-Cable-24MHz-8CH-24MHz-for-ARM-FPGA-M100/222882469206> > > Yes they make better ones but those cost more than $8 This is one good > for signals that change at up to a few MHz. > > > > > > -- > > Chris Albertson > Redondo Beach, California > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > -- "Anyone who believes exponential growth can go on forever in a finite world is either a madman or an economist." -Kenneth Boulding, economist Corporations are NOT people and money is NOT speech! ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
