This is a model of an automatically flushing toilet, created using a PIC 16F84A chip, Photocell, and LED. When the photocell goes from light to dark and back to light, the green LED glows for 2 seconds, representing a flush. Class is ENGR 172 at Cuyamaca College. Instructor Dr. McGehee. Board built and programmed by Jared Whitman.