DFROBOT Romeo BLE - Arduino Robot Control Board with Bluetooth 4.0 Romeo BLE is probably the best Arduino robot control board designed for robotics It integrated two DC motor drivers together with Bluetooth 4.0. It makes a lot easier to build you own robot Romeo family is an All-in-One Arduino based control board especially designed for robotics applications from DFRobot. It benefits from the Arduino open source platform, it is supported by thousands of open source codes, and can easily be expanded with your Arduino shields. The integrated 2 way DC motor driver and wireless socket allows you to start your own robot project immediately without the need for an additional motor driver. Not just has the motor driver, Romeo is also designed to have extra power for servos which need more current. Romeo is also featured with DFRobot's standard 3Pin-out designed and compatible with Gravity series sensors and actuators. Hundreds of sensors are now plug-play with Romeo.