DESCRIPTIONGrove - NFC Tag is a highly integrated Near Field Communication Tag module,this module is I2C interface,which base on M24LR64E-R,M24LR64E-R have a 64-bit unique identifier and 64 -Kbit EEPROM.Grove - NFC Tag attach an independent PCB antenna which can easily stretch out of any enclosure you use, leaving more room for you to design the exterior of your project.SPECIFICATION・Working Voltage:5V or 3V3
Working CurrentDOCUMENTShttp://wiki.seeedstudio.com/wiki/Grove_-_NFC_Tag