One complementing suggestion: After doing yourresearch from the various links already provided, consider a median filter instead of an averaging filter for this application. It's s bit easier that way to get quicker response. If you have space, you can then average your median results - it may sound silly, but you can get accuracy and fair speed without a jumping display... > I am wondering what the best method is to average an > a/d input in C. > mailto:piclist-unsubscribe-request@mitvma.mit.edu -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads