In the microcontroller era today, Arduino is more than just a tool ... is used to measure the light level. The alarm system is triggered when a “Logic High (H)” level signal is detected at its sensor ...

Making your own security system isn't too hard, but if you'd like a super cheap and simple method, Instructables user deba168 shows how to make a wireless motion detector with an Arduino.

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 ...

Block Diagram The security system comprises of an Arduino Uno microcontroller and a standard SIM900A ... You can connect any intrusion detection unit (such as a light fence or a motion sensor) to the ...

For his sensor, [Felix] is using a Moteino, a very tiny Arduino compatible board with ... very cheap for something that if built by a proper security system company would cost much, much more.

Startup Kangaroo is taking home security back to the basics with a self-install system comprised entirely of motion sensors. For $30 a pop (roughly £25/AU$40 converted), you can scale up your ...

Unlike a Raspberry Pi, you won't find anything resembling an operating system here; instead, the Arduino ... sensors. By ...