When [Doug] moved into his new house, he found an old alarm panel set up — but it had no monitoring service any more. Not wanting to pay a monthly fee to have it setup, he decided to try interfacing ...

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-enabled ...

Alarm systems are complicated affairs. However, if you’re just looking to catch a sandwich thief at work or a cat spilling over all you water bottles, then Make shows you how to build an alarm system ...

The wireless home security systems of 20 years ago were notoriously unreliable. They produced so many false alarms that many homeowners stopped using them. That’s all changed. Today you can buy DIY ...

There are many proven benefits to having a wake-up light (also known as a sunrise alarm/light), one of which includes a cheerful wake-up as opposed to the ear-splitting aural alert of the alarm clock ...

Espruino Pico (Figure 1) is a small board with an ARM Cortex STM32F401CDU6 microcontroller, a built-in JavaScript interpreter, and a PCB-mounted USB port. It is possible to program using the Chrome ...

The unit features two separate protection arrangements. The entry/exit is protected using standard normally-open and/or normally-closed sensors such as magnetic switches and pressure mats. This alarm ...