The Corrosion-Resistance Soil Moisture Sensor Module measures soil water content by detecting electrical resistance (how easily current flows) between two probe pins buried in soil. Wet soil conducts more current. The moisture sensor output changes based on how moist the soil is, giving you a live reading at all times. A dual output type means the module sends both an analog voltage to your ADC (Analog to Digital Converter) pin and a digital signal for simple dry or wet detection.
The soil moisture sensor module runs on 3.3V to 5V DC and draws only 15mA current, which is low enough for battery-powered builds. The probe material is corrosion-resistant metal, which is a real advantage over standard bare copper probes that rust and lose accuracy. The limitation is that this remains a resistive sensor (measuring resistance, not capacitance), so heavy clay soils or high-salt soil can affect reading accuracy over time.
Students building plant waterers, farmers testing smart irrigation rigs, and makers prototyping IoT greenhouse systems all use the moisture detection sensor regularly. Connect the analog output to Arduino IDE analogRead or the digital output pin to any GPIO for a threshold-based trigger. StemVolt provides this sensor with trusted quality, ensuring reliable performance and easy usability.
Related Product:
- Checkout Soil Moisture Sensor Module
Features:
- Corrosion-resistant metal probe for long-term outdoor buried installation
- Waterproof construction protects both probe and cable entry point
- 1.3 metre cable separates driver board from buried probe
- Analog and digital outputs for continuous level and threshold sensing
- Under 20mA current draw for battery-powered soil monitoring nodes
Technical specifications:
 Applications:
- Soil Moisture Sensor used for Arduino smart garden irrigation build
- College project uses moisture sensor for soil sensing STEM demo
- Rooftop farm uses moisture detection sensor for India plant watering automation
- Agriculture IoT uses soil moisture sensor in agriculture for field monitoring
- Home garden uses soil moisture sensor arduino for pot moisture alert
Package includes:
- 1 x Corrosion-Resistance Soil Moisture Sensor Module
Vijay Vyas –
Quick delivery service
Rahul Gupta –
Will order again
Aarti Singh –
Reliable moisture detection and corrosion-resistant design make it suitable for long-term soil moisture sensor applications in educational and automation projects.
Pooja Jadon –
Bubble wrap packing ensured safe delivery, while technical support was available for sensor integration and school project guidance
Saurabh Mishra –
Original product received