$2 for 10PCBs (24 Hour Fast Build): Previous video: How Does Wireless Charging Work? video: DIY Wireless Energy Transfer System video: Facebook: Twitter: Support me for more videos: You can get the components shown in the video here: (affiliate links) Aliexpress: RC522: PN532: RDM6300: RFID Blocking Card Holder: Ebay: RC522: PN532: RDM6300: RFID Blocking Card Holder: In this video I will be showing you how RFID and NFC works. Along the way we will have a look at a few RFID readers, how to use them for Arduino projects and in the end determine whether contactless payment is truly safe. Let's get started! Websites which were shown/used during the video: Thanks to JLCPCB for sponsoring this video Visit to get professional PCBs for low prices Music: 2011 Lookalike by Bartlebeats Killing Time, Kevin MacLeod ( )