The OpenCM 485 Expansion Board connects to the OpenCM9.04 controller to connect Dynamixels that support RS-485 and TTL. Battery connectors for batteries such as LIPO and Li-ion can be connected, and SMPS connector can be connected as well.
Veyron Servo Driver (24-Channel) is a multiple servo controller, especially designed for humanoid robots, spider robots, robotic arms, and many other likewise applications. The controller integrates wireless data transmission interface, which is fully compatible with DFRobot Bluetooth module, APC220 wireless data transmission module and Xbee module.
OpenTracker v2 is the first 100% Arduino compatible, fully open source, commercial grade GPS/GLONASS vehicle tracker development board that comes with a free web interface for tracking.
The OpenTracker v2 hardware includes the same powerful 32-bit ARM controller as the Arduino DUE, a GSM/GPRS modem for wireless connectivity, a GPS/GLONASS module with Assisted-GPS, CAN-BUS, plenty of I/O, and a wide operating temperature range of -35°C to +80°C.