RF Digital manufactures an extensive line of fully integrated, low cost, high quality, high performance, configurable Wireless RF Transmitter, Receiver & Transceiver Modules, suitable for nearly every type of application. RF Digital RFduino Bluetooth ARM Cortex M0 Development Board delivers an Arduino compatible Development Kit with integrated Bluetooth 4.0 BLE all n a nger-tip sized board. The RFduino is compatible with Bluetooth 4.0 compatible smartphones and computers, allowing it to be wirelessly controlled hrough apps written by the end user or downloaded from RF digital. A USB shield is available to allow easy programming of the RFduino, and a variety of other shields include the RGB LED/Button shield, Servo shield, Prototyping shield, Relay shield, MicroSD shield, and a variety of battery shields for remotely powering the RFduino.