He then made some modifications to the OpenCV Android Face Detection app to send commands to the Arduino based on ‘where’ the Face is detected; if the face is in the right half of the screen ...

Tolik777's Instructables walkthrough provides the details, but basically you're strapping an Arduino controller with a motor driver and Bluetooth receiver to an old RC car chassis, and controlling ...

This relay is driven by an Arduino which uses a Bluetooth shield for connectivity. Since his Android phone has a Bluetooth modem the rest of the project is just app development.

We love RC cars and the Griffin MOTO TC Rally fulfills the joy with a fun, durable remote control car that uses an iPhone or Android phone via Bluetooth.