Arduino Nano IO Expansion Shield is specifically developed for easy connection between Arduino Nano and other devices. Actually, it expands the Arduino Nano controller to link those devices in a simple free manner. It is a perfect additional of Nano controller and compatible with both Arduino Nano v3.x.
This NFC / RFID shield is designed on the basis of a PN532 chipset and can be used for wireless communication at 13.56 MHz. Equipped with an integrated antenna and compatible with SPI, I2C, UART interface. Stacks directly on the VMA100 UNO card.