A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load — even below 1 V.

Testing a regulator all the way down to zero volts to see how it behaves and finding an output level, below which bad things ...

One of the easiest soldering projects to do as a beginner is to solder a resistor to an LED. You can technically put the resistor on either side, but I typically choose to put it on the long leg of ...

Science paper divided into Biology, Chemistry, and Physics sections with detailed questions on plants, animals, genetics, ...

Rock-paper-scissors is usually a game of psychology, reverse psychology, reverse-reverse psychology, and chance. But what if ...

This FAQ will look at a lesser-known but commercially available RAM technology called resistive random-access memory (RRAM) ...

H-bridge buck-boost ICs are widely used in applications requiring a constant voltage or current source even when the system ...

A long standing mystery in spintronics has revolved around why some promising crystalline materials stubbornly refuse to ...

Through a recent notice, the Undergraduate Medical Education Board (UGMEB) of the National Medical Commission (NMC) has ...

We can choose to lead, or be led to ruin,” declared UN Secretary-General António Guterres, addressing delegates at COP30 in the rainforest city of Belém, Brazil. As the world pushes to triple ...

Flux is one of those things that you cannot really use too much of during soldering, as it is essential for cleaning the ...

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...