3pcs DC 12V Relay Controller Soil Moisture Humidity Sensor Module Automatically Watering COD

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2. When two products can control a wide range of soil moisture, the corresponding threshold by adjusting potentiometer control, humidity is below the set value, start relay, while higher than the set value, the relay is disconnected;

4. High-quality products using Songle relay can withstand 1500W load, to meet the requirements of most people;





Input current: More than 100ma





Module is the blue potentiometer to adjust the threshold for soil moisture , clockwise adjustment, control humidity will be bigger, smaller counter-clockwise;

Product wiring information , refer to the picture below.

Package includes:

3 x Soil moisture sensor control module