Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

This brief tutorial explains how the “Wiegand effect” can be used as a reliable, low-cost, energy-harvesting system to power ...

Using the TDA7052A audio amplifier to generate a five octave, linear in pitch voltage-controlled oscillator (VCO).

This power bank features a 20,000mAh capacity and charges up to 22.5W in total. Now, this speed isn't going to be the fastest ...

This Amazon accessory can be cheaper than buying batteries in bulk or investing in rechargeable sets. With simple tech, it lets you ditch disposable batteries.

Abstract: Grid-forming (GFM) control has been considered a promising solution for accommodating large-scale power electronics converters into modern power grids thanks to its grid-friendly dynamics, ...

At this year's CES, AMD felt like a dominant force, too focused on AI potential to talk about (or to) consumers. Intel looked ...

Gadgets and tech on Amazon aren't always what they seem. Here are the fakes, low-quality items, and risky purchases that you ...

Aside from better battery life and the latest security updates, upgrading from an old iPhone adds functionality—including ...