As a result, remote control technologies are being widely adopted across various sectors. Among the many components used in ...

The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

By controlling magnetic fields using light, a team of researchers led by NTU scientists has solved a long-standing challenge ...

Next-generation optoelectronic systems (devices that convert light to electrical energy) leverage organic semiconductor-based indoor energy-autonomous architectures for cutting-edge applications.

The Stelo is available to anyone who wants to monitor their blood glucose, no prescription needed. But as an active adult without diabetes, are these extra data points worth $99 per month?

The search for materials that can conduct electricity at room temperature without losing energy is one of the greatest and most consequential challenges of modern physics: loss-free power transmission ...

This year, Neural built on that success with the Quad Cortex mini, which shrinks the device size in half, cuts the ...

A DIY PCB fixture using split-Kelvin technique enables accurate, repeatable LCR measurements for low-impedance SMD components.

Last year, we brought you a story about the BhangmeterV2, an internet-of-things nuclear war monitor. With a cold-war-era ...

Tested and researched models we stand behind from Jackery, EcoFlow, Anker and more. Editor’s Note — February 2026: We’ve updated our story to make sure items are in stock and available, plus we added ...