Recently I came across some non-contact liquid level sensors and gathered them out of curiosity. They have been available in the market for the past few years, but this time I was lucky enough to get ...

Sigma first promised a full-frame Foveon sensor back in 2018, but now problems have arisen and the design is being taken back to the drawing board. The last several decades have seen much of humanity ...

It’s pricey and likely won’t work with an existing non-Hue security system, but the Philips Hue Secure contact sensor still ranks as one of the best door and window sensors we’ve tested. Signify-owned ...