When [gdarchen] wanted to read some NFC tags, he went through several iterations. First, he tried an Electron application, and then a client-server architecture. But his final iteration was to make a ...

[Pierre] recently bought his first car and decided to make his own RFID electric starter for it! An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off.

I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

For starters, you need a pre-wired NFC RFID module as the key hardware. NFC and RFID projects have become a huge trend, but many modules are pricey for electronics hobbyists and need a complex setup.

Wireless card readers are everywhere — but they’re easy to spoof or otherwise attack if you have the right tools Wireless card readers are everywhere — but they’re easy to spoof or otherwise attack if ...

If you are building applications using RFID or NFC technology you may be interested in a new blank bracelet now available from the Adafruit online store. The 13.56MHz RFID/NFC Bracelet is equipped ...

Users of cell phone and PDAs with mini SD slots can now enable them to make contactless payments and more due to the NFC/RFID reader/writer introduced by Wireless Dynamics. The company’s SDiD 2010 ...