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 ...

Serial entrepreneur Patrick Thomas Mitchell has once again taken to Kickstarter to launch his 33rd campaign allowing electronic enthusiasts to back a small yet fast RFID reader. The card reader can be ...

[Matt] has mixed up a batch of two RFID reading door lock systems. While the “door lock” part of the setup has yet to come into existence, the “RFID reading” section is up and running. By using the ...

One of the basic technical concepts of RFID involves anticollision. To understand anticollision we first must define a collision. An RFID collision involves multiple cards crashing into each other ...

It’s kind of a convoluted title, but [Hudson’s] attempt to replace multiple HID Prox cards with one AVR chip didn’t fully pan out. The project started when he wanted to reduce the number of RFID ...

Toronto, Canada - GAO RFID Inc. (www.GAORFID.com) has launched its 125 kHz compact mid-range reader. It is ideal for a wide range of applications such as access control systems, parking systems and ...