Soil Moisture Sensor
Sale price £3.20
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Keep a close eye on your plants this summer with this soil moisture sensor from Waveshare!
Its fork-like design makes it easy to insert into moist soil, and the output voltage goes up when the soil moisture level increases.
Sensor comes with a short 3-pin sensor cable for connecting to microcontroller pins.
How to Use
Product Wiki - https://www.waveshare.com/wiki/Moisture_Sensor
In the case of working with an MCU: