>I have used them to measure vehicle performance, have a look at >the performance meter at www.ac22.com What sort of resolution You should be hawking these around the TV stations and insisting they = use them on the motoring programs when they test cars! ;)) -- http://www.piclist.com hint: PICList Posts must start with ONE topic: "[PIC]:","[SX]:","[AVR]:" =uP ONLY! "[EE]:","[OT]:" =Other "[BUY]:","[AD]:" =Ads