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.

This is a simple fire alarm circuit using Germanium Diode and 555 timer. In this circuit Germanium Diode plays very important role in detecting the fire.This is a simple fire alarm circuit using ...

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 ...

Learn how to make a simple fire alarm with our step-by-step guide in this video! Discover the essential components and ...

If you’re looking for something to do this weekend, consider this PIR (passive infrared) Sensor Alarm project. Not only will the motion-sensing alarm protect your gear from animals and zombies alike, ...

Ring's $199 Z-Wave-enabled Alarm Security Kit is so simple you might overlook it at first. The system includes a base station, a keypad, a door/window sensor, a motion sensor and a Z-Wave range ...

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 ...

SleepControl for iOS is the fastest alarm clock in the AppStore, allowing you to set an alarm in literally 3 (!) seconds. It comes together with dedicated battery management features, which were ...

U.S. power and electronics giant Eaton has fixed a security vulnerability that allowed a security researcher to remotely access thousands of smart security alarm systems. Security researcher Vangelis ...

The Lumie Sunrise Alarm is packed full of light, colour and alarm features in a simple display… here’s our full review When you purchase through links on our site, we may earn an affiliate commission.