Here is a simple general-purpose security alarm circuit built on the Arduino platform. It brings up an obtrusive alert signal when an intrusion/theft attempt is observed by its front-end sensor. In ...

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 ...

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 ...