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 ...

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 ...

Using motion ... Arduino gnd Other side of 10K Resistor connects to PIR Pin “Alarm” PIR Pin “Alarm” connects to Arduino Digital 2 The code for the active low Sparkfun style motion detector ...

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.

Kangaroo presents a very low barrier to entry when it comes to home security, but it’s extremely feature limited and it only protects your home while you’re not in it. Motion sensors are an ...