Waveshare Adapter Board for Arduino & Raspberry Pi Overview Arduino is a massive ecosystem, if there is a way for the Raspberry Pi GPIO interface to adapt to Arduino pinouts, it is possible to use the Pi together with vast Arduino shields and hardwaresoftware resources. The ARPI600 is just intended for this. What is more, the ARPI600 also support XBee modules, make it easy to add wireless feature to your great project. Supported Pi 1. Raspberry Pi 1 Model A+ 2. Raspberry Pi 1 Model B+ 3. Raspberry Pi 2 Model B 4. Raspberry Pi 3 Model B 5. Raspberry Pi 3 Model B+ ARPI600 Features 1. Compatible with Arduino UNO, Leonardo, easy to connect with various Arduino 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 Arduino interface, 5 channels for sensors) 6. Onboard RTC What is on the ARPI600 1. Arduino connector: For connecting Arduino shields 2. ICSP interface: Arduino ICSP 3. XBee connector: For connecting XBee communication modules 4. Sensor interface: For connecting sensors 5. Raspberry Pi connector: For connecting Raspberry Pi 6. USB TO UART 7. TLC1543: AD converter 8. PCF8563: RTC 9. CP2102 10. 32.768KHz crystal: For RTC 11. Power indicator 12. XBee state LED 13. XBee and Arduino interface RESET button 14. XBee EASYLINK button 15. RTC battery holder: For CR1220 button battery 16. TLC1543 reference voltage configuration jumper 17. RTC jumper 18. UART jumper - When connecting P_RX and CP_TX, P_TX and CP_RX respectively, USB TO UART is connected to Raspberry Pi serial port - When connecting XB_RX and CP_TX, XB_TX and CP_RX respectively, USB TO UART is connected to XBee serial port - When connecting XB_RX and P_TX, XB_TX and P_RX respectively, Raspberry