David Van Horn wrote: > You can measure pressure in the brake lines though, which should do the > job. Theoretically that would work, but that's one part of a car you shouldn't mess with. I would look for ways to detect how far the pedal has been pressed or some other part of the linkage has been moved without breaking any connections or getting "into" the system. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist