In this step-by-step tutorial, you'll learn how to make a very loud, simple, and powerful alarm using everyday materials.

Learning Morse Code is no longer a requirement for HAMs in many jurisdictions, but it’s still a nice skill to have. [I_void(warranties)] wanted to learn, but couldn’t find a trainer ...

With smart home gadgets and budget-friendly tech, it’s never been easier to build your own DIY home security system. But easy ...

In this informative video, you'll learn how to make a door alarm using simple materials and easy steps. Perfect for enhancing ...

The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...

A team of St. Vrain Valley high school designers who use underwater robots to help Longmont monitor water quality are getting ...

Passive income is often associated with property in the UK, but there are things to consider before becoming a landlord ...

MANILA, Philippines — The Marikina River reached 15 meters shortly before midnight on Saturday due to the monsoon rains or 'habagat,' prompting local authorities to sound off the first of a ...

U.S. Immigration and Customs Enforcement is racing to build migrant tent camps nationwide after receiving $45 billion in new funding, aiming to expand detention capacity from 40,000 to 100,000 ...

How China’s growing cyber-hacking capabilities have raised alarm around the world Find out what’s new on ST website and app.

News Abia Lawmaker raises alarm over number of petrol stations around residential, market areas Published on July 19, 2025 By Daniel Chibuike ...

Set an alarm – Nap for no more than 30 minutes or risk waking up groggy, known as sleep inertia. Lie down – You are less likely to wake up aching. Try a slow-build alarm – The gradual increase in ...