The Onvis CS2 isn't just a contact sensor. With a 120dB siren, Thread support, and climate tracking, it's a 4-in-1 security ...
Could a cheap soil sensor help me rescue the orchid on my kitchen table that's been struggling for weeks? Common capacitive soil moisture sensors rely on the electrical properties of the materials ...
An Arduino library for the Hi-Link HLK-LD2450 24Ghz FMCW radar sensor. This sensor is a Frequency Modulated Continuous Wave radar, which makes it good for presence detection and has some interesting ...
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