Arduino time attendance system with RFID

A how-to on building a time attendance system with MFRC522 RFID Reader and Arduino from Random Nerd Tutorials: Before getting started it’s important to layout the project main features: *It contains an RFID reader that reads RFID tags; *Our setup has a real time clock module to keep track of time; *When the RFID reader reads an […]

RFID reader for BuildBrighton door pt II

Chris Holden has written an article on their new door entry system at BuildBrighton: The basic idea is this: A keyfob is presented to the reader and the serial number read from it. The keyfob number is displayed on the character LCD. This is sent (via the ethernet module) to a URL to validate the serial number […]