On Fri, 02 Jul 2010 09:53:55 -0700, "Brooke Clarke" said: > Have you looked into whether or not that's one of the parameters covered > by OBDC? > If it is then there's already a sensor connected to the brake system. OBD2 doesn't have ABS as part of the standard set of data, it's proprietary. Also I don't have ABS in the car I want to monitor. Completing a little hobby project is always a challenge for me. Feature creep can easily turn that simple little project into something that never gets finished. So I am sticking to 3-axis acceleration, RPM, throttle position, and brake pressure. Anything more is too much to graph all together and besides, these are the important ones. I'm not a Formula One driver, either :) Thanks for everyone's input, I'm sure you'll be hearing more assuming I make progress. This will be my first thing built with an Arduino besides experimental tinkering, unless I decide I hate it and switch to a PIC. So far I like how popular the Arduino is but other than that I don't much care for it. Best regards, Bob -- http://www.fastmail.fm - IMAP accessible web-mail -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist