yun V9.svg text:Arduino Arduino text:TM TM YUN-RST ICSP WLAN USB ON WAN A5 A4 A3 A2 A1 A0 2 3~ 4 0/RX 1/TX 5~ 6~ 7 10~ 11~ 12 8 9~ 13 GND AREF VIN GND GND 5V 3.3V RST IOREF WAN-RST 32U4 RST ARDUINO.CC LIN TX RX