On Mon, 2008-03-24 at 16:11 -0700, Peter C. Wallace wrote: > BTW a 5 1/4" floppy step motor make a nice quadrature jogwheel input device. > 200 CPR, ball bearings, a little detent torque and usually free... Just needs > a dual comparator with hysteresis (LM393) to translate to TTL levels. Also > with hysteresis the quadrature outputs stay put when the jogwheel is not > touched. This is for relative motion only (counts will be lost starting and > stopping) > Now that is a fantastic idea!!! (he says while slapping his forehead almost knocking himself out)
Adding a small flywheel would give it a good feel, I think I'll build a prototype. Now back to lurking. __ Ormund ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
