IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...
How-To Geek on MSN
Home Assistant projects to try this weekend (January 23-25)
Be my guest.
A brilliant wireless way to detect presence, the Aqara Presence Multi-Sensor FP300 expands what you can do with routines.
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