Soil Humidity Hygrometer Moisture Detection Sensor + Corrosion Resistance Probe
4,59 €
Soil humidity sensor. It is use for detecting soil humidity. Take "Thermal Sensor" as example, if defaults 25 Celsius trigger, DO output low level is valid; After clockwise adjusting, that is when the temperature is lower than 25 Celsius, it can trigger; if counter clockwise adjusting, then higher than 25 Celsius can trigger.
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