I used a servo controller and two motor controllers from Pololu. They are still available and I’m using them on a rebuild, this time using the Raspberry Pi as the brain. USB isn’t the only ...

The instructions ask for a Raspberry Pi Pico, two ultrasound sensors, a servo motor, enough wires to connect it all, and some basic craft items. Put it all together, and you've got yourself a ...

The Raspberry Pi is an excellent platform for ... a GPS module, relays, a servo motor, a buzzer, gyroscope module, various ...