Are you tired of heavy LCR meters or handheld tools that aren’t accurate? A device can give you near-bench precision for ...

A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition ...

Cell-sized robots can sense temperature, make decisions, and move autonomously using nanowatts of power—no external control ...

The iron-on electronic patch could make it easier to embed sensors, lights, and microphones directly into clothing. The ...

To help you choose a detector you can depend on, we recently tested models from a range of brands, including Forensics ...

If you enjoy building or tinkering with electronics, this hacking tool can help you get wildly creative with your projects, and make it a lot easier to test them. It's called the Kode Dot, and not ...

A precision voltage divider produces a specific fraction of its input voltage using carefully matched resistive components.

Sometimes, when an audio component dies, the root cause is something electrical. Sometimes, the issue ends up being ...

Portable power stations have gotten impressively capable over the last few years, but every now and then you run ...

One part wants 3.3V logic. Another wants 5V. What do you do? Over on the [Playduino] YouTube channel, there’s a recent video running us through a not-so-recent concern: various approaches to ...

Installing a smart meter could help you pay less for your energy, but not everyone is convinced by the technology. While gas and electricity prices today are far below their peak during the 2022 ...