The circuit presented here is a very simple and yet highly effective alarm system for protecting an object. The circuit requires no special devices and can be built using components that you will no ...

Here is a small project on fire alarm. When a fire accident is happened in home or office, it will detect the fire (intensity of fire in the room) at instant and give the alarm so we can be ready and ...

There’s a spy movie – probably from the [James Bond] franchise – in which our hero is staying in a fancy hotel. It’s crawling with enemies, naturally, and eager to see if one has been snooping in his ...

Alarm systems are pretty expensive, but if you want to whip up something on your own, Make shows off how to build a very simple alarm system with a Raspberry Pi. The system uses a Raspberry Pi, USB ...

Learn how to make a simple door alarm to enhance your home security with our step-by-step guide. This DIY theft alert alarm is perfect for keeping unwanted guests away and protecting your belongings.

Dieter Rams may have left Braun in 1998, but his distinguished legacy endures through products like this clock radio, which crams a bunch of features into a deceptively simple package. Here’s the ...

If you could spend a couple of bucks on a simple project that might prevent a $2000 repair bill on your vehicle, you’d probably build it, right? That’s the idea behind this simple low-pressure alarm ...