TRACK CONTROLLER FOR AWANA® GRAND PRIX using PIC16F628

Introduction This project is for the hobbiest who wants to build a measurement and display unit for an Awana Grand Prix® track (also known as a Pinewood Derby track.) The racetrack for which I designed this unit is a 4-car track. A car is approximately seven inches long, is released by a gate at the starting line, rolls down the ramp by gravity, and crosses the finish line in approximately five seconds. Thi ...

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