The Capacitive Analog Soil Moisture Sensor V1.2 is a reliable and long-lasting solution for measuring soil humidity in gardening, smart irrigation, and automation projects.
Unlike traditional resistive soil sensors, this module uses capacitive sensing technology, preventing corrosion and significantly extending the sensor’s lifespan. It provides stable, accurate analog output, making it ideal for Arduino, Raspberry Pi, ESP32, and other microcontroller platforms.
⚙️ Technical Specifications
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Version: V1.2
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Working Voltage: 3.3V – 5.5V DC
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Output Voltage: 0 – 3.0V (Analog)
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Interface: PH2.54-3P
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Pins: Analog Output (A0), GND, VCC
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Operating Temperature: -10°C to 60°C
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Detection Method: Capacitive sensing
🌱 Key Features
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Corrosion-resistant design (no exposed electrodes)
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Good linearity and repeatability
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Low hysteresis
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Fast response time
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Compact size
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Suitable for indoor and outdoor plant monitoring
🔌 Applications
🔎 Why Choose Capacitive Over Resistive?
Most basic soil moisture sensors use resistive probes that corrode quickly when exposed to moisture.
This capacitive version avoids direct electrical contact with soil water, preventing oxidation and ensuring longer operational life.
💡 Ideal For
Perfect for makers, students, educators, and developers building smart farming, home automation, or environmental monitoring systems.