This extension plate provides all IO leads to 328 p for the Arduino Nano. Introduces the electronic building blocks for 3 pinsensor interface. Provide the external power input terminals, can support external 7-12V input.With 24 l01 XBee socket and plug, expanded the Arduino Nano wireless capabilities.Nano IO expansion board is Arduino Nano a line board.It leads to the so-called all pins with 3 pin interface as the electronic building blocks, Zigbee XBee series modules and nRF24L01 wireless interfaces. Support the power converter is 7 to 12V