12V Soil Moisture Sensor with Relay
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Shipping
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Air freight costs are based on the weight of the product (including packaging bags and cushioning materials). For products under 2kg, freight is calculated in 50g increments. For products between 2kg and 4kg, freight is calculated in 100g increments. For products over 4kg, freight is calculated in 1kg increments.
If your order exceeds 4kg or the shipping cost exceeds $70, we recommend contacting our customer service for an accurate shipping quote. You will need to provide your zip code address when you contact us.
Air freight options include DHL, UPS, FedEx, and Yun Express, with a delivery time of 7-12 days.
When the weight of the express delivery exceeds 12kg or air shipping cost exceeds US$100 or sea shipping cost exceeds US$50, you can choose B2B shipping:
Air freight(10-14 days)
Yun quik boat sea freight (15-20 days)
Quik boat sea freight(20-25 days).
Air freight B2B express |
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| US Area | Unit Price | Date | Last-mile Delivery |
| Western United States (zip codes starting with 8 or 9) |
US$7.5/kg + US$2 | 10-15 days | UPS / FEDEX / GOFO |
| Central United States (zip codes starting with 4, 5, 6, or 7) |
US$8.5/kg + US$2 | ||
| Eastern United States (zip codes starting with 0, 1, 2, or 3) |
US$9.0/kg + US$2 | ||
Yun quit boat sea freight B2B express |
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| US Area | Unit Price | Date | Last-mile Delivery |
| Western United States (zip codes starting with 8 or 9) |
US$3.4/kg + US$2 | 15-20 days | UPS / FEDEX / GOFO |
| Central United States (zip codes starting with 4, 5, 6, or 7) |
US$3.6/kg + US$2 | ||
| Eastern United States (zip codes starting with 0, 1, 2, or 3) |
US$3.8/kg + US$2 | ||
Quit boat sea freight B2B express |
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| US Area | Unit Price | Date | Last-mile Delivery |
| Western United States (zip codes starting with 8 or 9) |
US$2.6/kg + US$2 | 20-25 days | UPS / FEDEX / GOFO |
| Central United States (zip codes starting with 4, 5, 6, or 7) |
US$2.8/kg + US$2 | ||
| Eastern United States (zip codes starting with 0, 1, 2, or 3) |
US$3.0/kg + US$2 | ||
Processing starts after your payment confirmed. Normally, it needs 2-5 days. The processing time depends on the quantity of items.
The "humidity below set humidity activation" function means that when the soil moisture falls below the set humidity level, the relay will automatically engage, activating sprinklers, water pumps, etc., to humidify the soil. It will automatically stop when the set humidity is reached.
Applications: This system allows for automatic watering of vegetable gardens and flower beds, controlling soil moisture in potted plants, and is suitable for various electronic competitions. It features a high-power relay to control high-current equipment. The relay automatically activates when the humidity is below the set level and automatically deactivates when the humidity exceeds the set level. It also includes a delay function to solve the problem of the relay continuously flashing at the humidity threshold without a delay. This is a simple and practical soil moisture control system.
Product Introduction
1. This product uses a soil sensor manufactured by our company to detect soil moisture. The surface is nickel-plated, providing a wider sensing area, improving conductivity, preventing rusting in direct contact with soil, and extending service life.
2. The product can control soil moisture over a wide range. The corresponding threshold is adjusted via a potentiometer. When the moisture level is below the set value, the relay engages; when it exceeds the set value, the relay disengages.
3. The product features a delay function of 3-5 seconds. When the detected moisture level is at a critical point, the relay will not flicker, eliminating the flickering phenomenon.
4. The product uses a Songle relay, capable of handling a 1500W load, meeting the requirements of most users.
5. The product has a power indicator and a relay engagement indicator.
Electrical Parameters
Power Supply Voltage: 12VDC
Input Current: Greater than 100mA
Load: 110V/220V 10A AC or 30V 10A DC (currents below this range are acceptable)
Module Instructions
1. This sensor is suitable for soil moisture detection;
2. The blue potentiometer in the module is used to adjust the soil moisture threshold. Clockwise adjustment increases the controlled moisture level, and counter-clockwise adjustment decreases it;
3. Because this module has a delay function, when adjusting the humidity value, wait approximately 5-8 seconds after each adjustment and observe the relay change. The green LED will also change accordingly until the desired humidity level is reached.
4. Please refer to the image below for product wiring instructions.