Here is an ultra simple Arduino Night Alarm project wired around a handful of inexpensive and easily available components. One advantage of using Arduino as a security system is the flexibility!

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 ...

There’s a huge market for 433 MHz alarm system hardware out there, from PIR motion detectors to door and window sensors. If you want to put them to work, all you need is a receiver, a network ...

The alarm can read RFID cards for activation and control of the device. It communicates with the front panel via an I2C bus, and it can control the opening and closing of windows or blinds.

Alarm systems are complicated affairs. ... Build a Simple, Photo Snapping Alarm System with an Arduino. Thorin Klosowski. December 8, 2015 Alarm systems are complicated affairs.

Additionally, The Inebriator features an RFID security system. This system is designed to prevent party-goers who have had a few too many from tampering with the settings of The Inebriator’s ...