Forewarned is forearmed.
XDA Developers on MSN
6 smart home devices anyone can build with a cheap ESP32 and an even cheaper sensor
These are some great DIY projects that you can do for cheap.
Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...
Researchers from Skoltech have devised a way to detect infrared radiation across a wide range without cooling the detector.
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