There is a latching mode, and a momentary mode. This unit can program 6x RFID cards in less than 30 seconds! Easily connect to to Arduino! Sample code available.This set is production ready!

This Arduino Mega attaches to a control box mounted near the front door that’s loaded up with an LCD, an NFC and RFID reader, and a few buttons to arm and disarm the system.

A few months back, [John] was reading an article about a simple RFID security system kit, and decided he would like to build one himself. While many of the system’s details, including full s… ...

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.