Smart Electronics Bodenfeuchtigkeit Hygrometer Detektion Feuchtigkeitssensor Modul
3,16 €
This is a summary of the humidity sensor, which can be used to detect soil humidity. When the soil is dry, the module emits a high level and outputs a low level. The photoresistor module is the most sensitive to ambient light, and is generally used to detect the brightness of the ambient light, trigger the single-chip microcomputer or relay module, etc.;.
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