Arduino code + Schematic: https://github.com/TheHLab/Bluetooth-RC-Diecast-Car This application built for your DIY project. It's a cool Bluetooth RC app with steering wheel and gas pedal with 100 sensitivity level. Steering wheel: send code from T00 to T99, middle point is T50 Gas Pedal: send code from S00 to S99 Gear P-R-N-D: send code G00 (P), G01(R), G02(N) and G03(D)