An Arduino Nano is in charge of reading the sensors. When it appears the car is approaching a wall or similar obstacle, it fires off a PWM signal to the car’s motor controller commanding it to ...

Donut Dongle Arduino Nano based hub that connects your digital and analog console switching setup with the RetroTink 4K and/or RetroTink 5x / OSSC for Auto Profile switching The Donut Dongle connects ...