On 31 Dec 2005 at 5:55, Bill & Pookie wrote: > Debounce everything, even software switches. Especially mechanical > switches. There's no need to debounce switches unless you poll them faster than the bounce time. And the only reason you'd need to poll them that fast is if you need low latency, like with a trigger. I generally poll 20 times per second and that works just fine. Cheers, Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist