Bob Blick said: > For one thing, your impedence is not 50K, it is 25K maximum with a 50K > pot. Did I say that? I meant to say 12.5K maximum with a 50K pot. Must have forgot to add coffee this morning ;-) -Bob -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.