Steven J Tucker wrote: > > How might I interface a vaccum system to a pic? Does anyone make > sensors that can be used to detect various levels of vaccum, like > some automotive sensors do? > > My goal is to replace some extinct vaccum switches and sensors in my > old chevy to make the system more configurable, and controllable, like some > of the really expensive performance carb systems do. > > Steve A standard chevy MAP sensor outputs 0 - 5v over 0"hg to 30"hg. They are $30. PR