Here is an ultra simple Arduino Night Alarm project wired around ... level input to wake up. The best sensor you can use to detect an intrusion is the Passive Infrared (PIR) Sensor. The PIR Sensor ...

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 ...

A California company, Factory Enhancements Corp., has introduced a motion-sensor alarm ... Using a button on the key-fob remote control, activate the alarm under the seat from up to 100 feet ...

If you want to keep an eye on your home—whether you're worried about burglars or just worried about the dog getting into places it shouldn't—this super simple DIY alarm will send you an SMS ...

You can connect any intrusion detection unit (such as a light fence or a motion sensor ... Arduino Uno board) of your choice. Carefully read the modem documentation before construction to make the ...

It’s a fairly simple project, too: just hook an Arduino Uno up to a motion sensor and an electronic switch called a relay, then plug in your fan, and you’re good to go. If that sounds ...