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 lasts longer in wet soil than plain copper probes.
- Operating voltage of 3.3V to 5V DC works with both 3.3V and 5V microcontrollers.
- 1.3 metre waterproof probe cable separates the electronics from wet soil completely.
Technical specifications:
| Specification | Details |
|---|---|
| Sensor type | Soil moisture detection |
| Probe material | Corrosion-resistant metal |
| Output type | Analog and digital |
| Operating voltage | 3.3V to 5V DC |
| Operating Current | 15mA |
| Waterproof probe | Yes |
| Cable Length | 1.3 meter |
Applications:
- Plant watering project uses this sensor to check if soil is dry before watering.
- Corrosion-Resistance Soil Moisture Sensor Module monitors soil in outdoor garden beds year round.
- soil moisture sensor in agriculture rig reads analog values and logs data over WiFi using ESP8266.
Package includes:
- 1 x Corrosion-Resistance Soil Moisture Sensor Module
Reviews
Clear filtersThere are no reviews yet.