Use of NOT GATE - Soil Moisture sensor. #diyprojects #education #electronic
1:05
YouTubeElectric Dhamaka
Use of NOT GATE - Soil Moisture sensor. #diyprojects #education #electronic
In this video, I made a simple soil moisture sensor circuit using a BC547 NPN transistor and a 3.7V battery. This project is very useful for plants and gardening, especially to know when the soil is dry or wet. The working principle is very simple. When the soil is dry, the resistance between the probes is high, so the transistor remains OFF ...
5K views1 day ago
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