RPM counter

on 2004-02-12 09:02:29 UTC

Does anyone know of a simple RPM counter circuit? I want to attach
it to my Sherline spindle so I know what speed it is running at.

Thanks for any help provided.

Manfred

Discussion Thread

no1vixenfanau 2004-02-12 09:02:29 UTC RPM counter Andy Wander 2004-02-12 09:19:26 UTC RE: [CAD_CAM_EDM_DRO] RPM counter Ron Thompson 2004-02-12 20:26:53 UTC Re: RPM counter Dan Mauch 2004-02-13 07:12:16 UTC RE: [CAD_CAM_EDM_DRO] RPM counter