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. ... /* * Read a card using a mfrc522 reader on ...

RFID card transactions, at least in Europe, don’t require anything except putting the card on the reader. Honestly though, the limit on my card is £20 in a single transaction and £50 total ...

By connecting multiple MFRC522 RFID readers to an Arduino Uno, ... To increase the possible distance between card & reader, we ended up with RFID-readers that were a litte more expensive but have ...

Makers, developers and hobbyists looking for a quick way to program RFID cards might be interested in a new Arduino compatible RFID reader development board called the RFID123 which has been ...

The card reader can be used two further enhance both Arduino and Raspberry Pi projects and is now available from just C$21 or roughly £13 with worldwide delivery expected to take place during ...

Instructables user talk2bruce created the Arduino Internet Gizmo, a card reader that takes you to your favorite websites with a touch of an RFID tag.

Step two is to make a copy of the RFID badge-reader card. Step three is the penetration tester, ... The RFID output that the Arduino gets is a 10-digit hexadecimal.

This Arduino-compatible module has the following features: Supports II2, SPI, and high-speed UART (HSU) RFID reader/writer mode support for: Mifare 1K, 4K, Ultralight, and DesFire cards; ISO/IEC 14443 ...

Brown’s attack involves the customization of a RFID reader by using an Arduino microcontroller to turn it into a long-range reader capable of reading card data from up to 36 inches away making ...