Digital I/O LED PWR Power Analog In www.netduino.com 7.5-12V SW1 SC SD Gnd 13 12 11 10 9 8 7 6 5 4 3 2 1 0 /RESET I O R E F 3V3 5V Vin Gnd Gnd 5 4 3 2 1 0 A C T 100 F D X MicroSD