On Wed, 22 Feb 2006, Bill & Pookie wrote: > protruding pin --> relay = switch But not enough force and not fast-closing (he switches mains). It would work with a bistable switch with the spring tuned so it takes much less force to 'make' than to 'break'. Think mousetrap. Peter -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist