12V Soil Humidity Sensor Relay Control Module Activates Switch for Automatic Watering When Humidity is BelowItem NO.: 12V Soil

12V Soil Humidity Sensor Relay Control Module

Starting when the humidity is lower than the set humidity refers to when the soil humidity is lower than the set humidity, the relay will automatically close, start spraying, water pumps, and other humidification actions, and automatically stop when the set humidity is reached.

Purpose:

By adjusting the soil moisture control threshold through a potentiometer, it can automatically control the soil moisture in vegetable gardens, gardens, home flower pots, various electronic competitions, etc. It is equipped with a high-power relay that can control high current equipment, automatically start the relay to close when the humidity is lower than the set value, automatically disconnect when the humidity is higher than the set value, and has a delay function to solve the problem of continuous flashing of the relay in the critical state of humidity without delay, It is a simple and practical soil moisture control system.

Product Introduction:

1. Using high-quality soil sensors produced by our company for soil moisture detection, the surface is treated with nickel plating and has a widened sensing area, which can improve conductivity, prevent rusting in contact with soil, and extend service life;

2. The product can control the humidity of the soil over a wide range, adjusting and controlling the corresponding threshold value through a potentiometer. When the humidity is lower than the set value, the relay will be activated to close, and when it is higher than the set value, the relay will be disconnected;

3. The product has a delay function, with a delay of 3-5 seconds. When the humidity is detected to be in a critical state, the relay will not flash and there will be a stroboscopic phenomenon;

4. The product has power indication and relay closing indication;

Electrical parameters:

Power supply voltage: 12VDC Input current: greater than 100ma

Load: 250V 10A AC or 30V 10A DC (currents below this range can be used)

Module usage instructions:

1. The sensor is suitable for moisture detection in soil;

2. The blue potentiometer in the module is used for adjusting the threshold of soil moisture. If adjusted clockwise, the humidity controlled will increase and decrease counterclockwise;

3. Due to the delay function of this module, when adjusting the humidity value, it is necessary to wait for about 5-8 seconds each time to observe the changes in the relay. The green LED light also changes accordingly until it meets the requirements.

4. Please refer to the following pictures for the product wiring method.

Shipping list:

1 set of soil moisture control module and soil sensor, 2 20cm long DuPont wires