There are high-precision switches (1 um repeatability, 10um deviation after 1,000,000 cycles) but they don't come cheap ($100)
http://www.ia.omron.com/product/item/d5a_1100f/ -- atp If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
