Description On board UART-RS232 interface, DB9 connector, greate for long distance up to 15 meters, reliable wire cable connection. On board infrared receiver and transmitter, support linux software LIRC, also can use in XMBC or other applications. The setup is: Receiver = IO26 Transimitter = IO17 A rought LIRC setup guide please see here. On board two control buttons via IO20 and IO21. Break out interface: SPI: CLK MISO MOSI CE0 (board inside) GND 3VD SPI: CLK MISO MOSI CE1 (board outside)GND 3VD IIC: SCL SDA 3V3 GND UART: TXD RXD GND All other used GPIOs pins with 3.3V, GND row pins. IO18 IO27 IO22 IO23 IO24 IO25 IO4 IO5 IO6 IO12 IO13 IO16 IO19 On board LDO AMS1117 to provide high current on 3.3V, on board power LED. All documentation please read from here.
