Description:
This DFRobot Gravity Analog Soil Moisture Sensor is your essential tool for creating a thriving urban garden, automating plant care, or building a smart agriculture system. It accurately measures the moisture content of the soil, providing valuable data to ensure your plants receive the perfect amount of water.
Unlike standard soil moisture sensors, this model boasts an upgraded design featuring Immersion Gold plating over nickel. This advanced Electroless Nickel Immersion Gold (ENIG) finish delivers superior corrosion resistance and long-lasting durability, ensuring reliable readings even in challenging soil conditions. The ENIG process also provides a perfectly flat surface, guaranteeing consistent performance and preventing oxidation, a common issue with cheaper HASL-plated sensors.
The sensor operates by measuring the electrical resistance between two probes inserted into the soil. As soil moisture increases, its conductivity improves, resulting in lower resistance. Conversely, dry soil exhibits higher resistance. This simple yet effective principle allows the sensor to accurately determine the soil's water content, translating it into an analog signal that your microcontroller can easily interpret.
Imagine effortlessly monitoring your indoor plants, receiving timely reminders to water them, or automating your garden's irrigation system based on real-time soil moisture data. The Gravity Interface simplifies integration with Arduino, enabling plug-and-play connectivity. For seamless integration, pair it with an Arduino IO expansion shield. Furthermore, its 3.3V compatibility extends its usability to platforms like Raspberry Pi, Intel Edison, Joule, and Curie, making it a versatile component for a wide range of IoT and embedded projects. Take the guesswork out of plant care and empower your projects with precise soil moisture monitoring.
Specifications:
- Power supply: 3.3v or 5v
- Output voltage signal: 0~4.2v
- Current: 35mA
- Size: 60x20x5mm(2.36x0.79x0.2")
- Surface finish: Immersion Gold
- Analog output(Blue wire)
- GND(Black wire)
- Power(Red wire)
Features:
- Provides immediate, variable voltage readings for precise moisture levels.
- Captures a wide range of soil hydration, from dry to saturated.
- Designed for long-term reliability in soil environments.
- Seamless integration with Arduino development platforms.
- Easy-to-read, single-wire analog output for simple data acquisition.
Projects:
Documents:
- Wiki (Gravity: Analog Soil Moisture Sensor For Arduino)
- Moisture sensor schematic
- Moisture sensor Sample code
Package Included:
1 x DFROBOT Gravity: Analog Soil Moisture Sensor
