1、Compatible for Leonardo, easy to connect with various shields. 2、XBee connector for connecting various XBee modules. 3、Sensor interface for connecting various sensors. 4、Onboard USB TO UART for serial port debugging, also can be configured as XBee USB adapter. 5、Onboard ADC, 10 bit, 38KSPS, 11 channels (6 channels for interface, 5 channels for sensors). Description: A massive ecosystem, if there's a way for the Raspberry Pi GPIO interface to adapt to pinouts, it is possible to use for the Pi together with vast shields and hardware/software resources. The ARPI600 is just intended for this. What's more, the ARPI600 also support XBee modules, make it easy to add wireless feature to your great project. Features: 1. Compatible for Leonar do, easy to connect with various shields. 2. XBee connector for connecting various XBee modules. 3. Sensor interface for connecting various sensors. 4. Onboard USB TO UART for serial port debugging, also can be configured as XBee USB adapter. 5. Onboard ADC, 10 bit, 38KSPS, 11 channels (6 channels for interface, 5 channels for sensors). Specifications: Support: for Raspberry Pi 1 Model A+ for Raspberry Pi 1 Model B+ for Raspberry Pi 2 Model B for Raspberry Pi 3 Model B Size: Approx. 8.5 * 6.38 cm / 3.3 * 2.5 inch Package Weight: About 90g Package Content: 1 * ARPI600 1 * USB type A plug to mini-B plug cable 1 * Screws Pack (2pcs)