So it sounds like you need the device to report which proximity sensors were triggered at what time relative to the time the first two sensors were triggered? This information should simply be shown on the LCD display? I'm interested to know what you mean by "associate electronics". The sensors just output a yes or no, correct? -Adam On 11/15/06, Doug Coil wrote: > Cancer Research Project > ... - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Moving in southeast Michigan? Buy my house: http://ubasics.com/house/ Interested in electronics? Check out the projects at http://ubasics.com Building your own house? Check out http://ubasics.com/home/ -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist