Tiny tags that send & store data, powered by radio waves and small enough to be embedded under the skin - RFID is used all over, but it remains a fascinating technology. Learn more: https://learn.adafruit.com/collins-lab-rfid-----------------------------------------Visit the Adafruit shop online - http://www.adafruit.comSubscribe to Adafruit on YouTube: http://adafru.it/subscribeJoin our weekly Show & Tell on G+ Hangouts On Air: http://adafru.it/showtellWatch our latest project videos: http://adafru.it/latestNew tutorials on the Adafruit Learning System: http://learn.adafruit.com/Music by bartlebeats: http://soundcloud.com/bartlebeats-----------------------------------------