On 5 November 2015 at 17:04, Gene Heskett <ghesk...@wdtv.com> wrote: > Yeah, I know, a miss-cue in a contact will probably blow the driver, but > ice-cubes seem pretty dependable. All this switching would of course > take place with the drivers enable line off, so when it becomes enabled > the relay has had time to close. Conversely, at stop time, leave it > enabled for long enough to bring the motor to a solid stop, then > disable, and drop the relay 100 ms later. > > Comments on this idea?
Drivers suitable for a Nema11 motor are probably cheaper than the relay, so this might be a false economy. http://www.ebay.com/itm/1PCS-A4988-Stepper-Motor-Driver-Module-3D-Printer-Polulu-StepStick-RAMPS-RepRap-/221921771119 -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
