> Whoops! I forgot to mention that you won't need > that expensive schottky diode if you use a bigger > cap like 330n etc. Even 470ohm and 330n will > respond within 100uS or so. :o) > -Roman Possibly so, but hang the expense. Hang it I say, I'll add the 15c to the bill Actually I did try RC to start with on the previous board but it didn't seem to work as I thought it should have and there was intermittent latching. AFAICT the rest of the PIC with the wonky AN0 pin still works so it's not a total write-off. I'll just mark it as "pre-loved" -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body