He’s using an Arduino Uno and an Ethernet breakout board to hook it up to the network. This allows him to send text messages to himself when the alarm system is armed, disarmed, or triggered.

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 ...

Powered by an Arduino Uno, this laser tripwire alarm project works much like those in movies. There's a tripwire — made up of a laser directed at a light sensor — that's placed somewhere the intruder ...

The main goal was to create an alarm system using an Arduino with an Entry/Exit zone. One of the main goals was to give chance to user to activate and deactivate the system. It was needed to provide a ...

This is an Arduino project that implements a fire alarm system using a flame sensor. When a fire or flame is detected, it triggers an alarm (buzzer) and activates an LED to alert the user. The code ...