On Sat, 1 Jun 2002, Roman Black wrote: > >Thanks Alexandre, that is handy info. The design >will tolerate 100 ohms per contact or so, but i'm >still nervous about contact change in resistance >over time. Would be nice if someone could say >"yes definitely about 100 ohms new, then increasing >to 300 ohms after 10,000 presses etc". :o) >-Roman Okay, here goes: Yes, definitely around 50 ohms new, some 5% increase beyond 500 ohms after 1000 or less presses and/or two months. Peter -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads