SeeedStudio - Alamode - Arduino Compatible Raspberry Pi Plate - DIY Maker Open Source BOOOLE Fully compatible with Arduino, including Arduino shields. Plugs in to Raspberry-Pi GPIO header. Voltage safe C Bidirectional translator automagically converts between 3.3V for Raspberry-Pi and 5V for Arduino. Same form factor as Raspberry-Pi. 5V Micro-USB socket for Power In. Servo Headers with alongwith GND and 5V headers for easy connection of 3 wire servos. Micro-SD card for data storage and Arduino use. High precision RTC chip with battery backup (CR1632 battery not included). Possible to set time on Raspberry-Pi without Internet connection. Convenient headers for FTDI, ICSP, Analog Reference (3V3 or 5V0), GPS module. Can be powered independently, or via the Raspberry-Pi 5V supply.