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 ...

If you’ve worked with passive RFID before, you know that most ... 12 AA batteries and a custom PCB using an Arduino Nano to interpret the reader’s output. When the reader sees a nearby card ...

By connecting multiple MFRC522 RFID readers to an Arduino Uno, she’s come up with a method of triggering a device (like an electronic door lock) only when the appropriate combination of RFID ...

RFID enables wireless data collection by readers from electronic tags attached to or embedded in objects, for identification and other purposes. This article describes the construction of a simple ...

Electronics developer and Kickstarter serial entrepreneur Patrick Thomas Mitchell who we have featured numerous times here on Geeky Gadgets has once again taken to the crowdfunding website with ...

We made a kegerator that uses an Arduino Duemilanove with an RFID reader for access control, [and] a solenoid [a device that controls switches and levers] for controlling the tap and a flow meter ...

A cool RFID music table has been created ... The input to the Arduino is a Parallax wireless radio tag reader with a range of a few inches.” This innovative approach ensures that the user ...

"If a stock room employee can carry an RFID reader in his back pocket while going ... the first guy to hook up one of these babies to an Arduino-piloted flying neighborhood drone.))) ...