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DC 12V Relay Controller Soil Moisture Sensor Module for Arduino
1. The use of high-quality soil sensors detects soil moisture, the surface of nickel-plated, has widened the induction area, can improve the conductivity, avoid contact with the soil rust problems, and extend the service life;
2. When two products can control a wide range of soil moisture, the corresponding threshold by controlling the potentiometer control, the humidity is lower than the set value, start relay, while it is higher than the set value, the relay is disconnected;
3. Products with the delay function, delay of 3-5 seconds, when the moisture is detected in critical condition, the relay will not flash, flicker;
4. High-quality products using Songle relay can withstand 1500W load, to meet most people's requirements;
5. Products with power indicator
Supply voltage: 12VDC
Input current: more than 100ma
Load: 250V 10A AC or 30V 10A DC (Under current in this range can be used)
Module for use:
Sensor for detecting moisture in the soil;
Module is the blue potentiometer to adjust the soil moisture threshold, adjusted clockwise, the control humidity will be larger, smaller counterclockwise;
Due to the module with delay function in controlling the humidity values, which are adjusted once every 5-8 seconds to wait for changes in the relay, the green LED lights also have a corresponding change until they are transferred to meet the requirement to meet.
Product wiring information, see the image below.