Crowbar circuits have long been the go-to safeguard against overvoltage conditions, prized for their simplicity and ...

The key to identifying the location of an ESD source is by measuring the time of arrival between the two antennas.

When the lights cut out, the last place you want to be is on your hands and knees in the dark, feeling around for a flashlight while your breaker box looms somewhere nearby. A small, well planned ...

If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...

Apple’s AirTags are cute, but at 8mm thick, they’re too bulbous to realistically fit in your wallet. The most common type of AirTag alternative that works directly with Apple’s Find My is a thin card ...

I've tested a lot of wallet finders over the past year, and this is, without doubt, the best of the best. It's tougher than the others, the buzzer is super loud, the little glow-in-the-dark inserts ...