Assembled Adafruit Feather HUZZAH with ESP8266 With Headers Motion Sensors its reverse-voltage protection circuit helps

its reverse-voltage protection circuit helps prevent it from being damaged by accidentally-reversed power connections

As long as your Arduino has a 3

the THAT 1646 OutSmarts Breakout

so anything you can do with RFID you can do with NFC

we recommend careful reading of the TB67H420FTG datasheet (460k pdf)

Assembled Adafruit Feather HUZZAH with ESP8266 With Headers Motion Sensors its reverse-voltage protection circuit helpsFeather is the flagship development board from Adafruit, and like its namesake, it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Assembled Adafruit Feather HUZZAH ESP8266 with headers our take on an 'all in one' ESP8266 WiFi development board with built in USB and battery charging and ready to go immediately! It's an ESP8266 WiFi module with all the extras you need, ready to