Looking to beef up the security of your humble abode? Check out these useful smart sensors that can be used for the inside of ...

Glen Akins] reported on Bluesky that the Zigbee-based sensor he had made for his garden’s rear gate was still going strong ...

The first case of an electric circuit created using a simple marker and a laser beam shows that simple and sustainable ...

A standard electret microphone can detect sub-audio "sounds" when some simple equalization circuitry is added.

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