Capacitive Soil Moisture Sensor | Corrosion-Resistant Analog Soil Humidity Sensor for Arduino, ESP32 & Smart Garden Projects
Original price was: KSh350.00.KSh300.00Current price is: KSh300.00.
Durable Capacitive Soil Moisture Sensor with corrosion-resistant coating for reliable soil humidity detection. Outputs analog signal for Arduino and smart garden watering systems — perfect for DIY and IoT-based irrigation projects.
Product Description
The Capacitive Soil Moisture Sensor is a high-quality sensor designed to measure soil moisture levels without corrosion or degradation. Unlike traditional resistive sensors, this module uses capacitive sensing technology, which detects the water content in soil based on changes in dielectric permittivity — ensuring longer lifespan, higher accuracy, and reliable performance.
It is ideal for Arduino, ESP32, Raspberry Pi, and other microcontroller-based smart garden and irrigation projects. The sensor outputs an analog voltage that varies with soil moisture, allowing users to monitor real-time soil conditions and automate watering systems.
The sensor’s corrosion-resistant PCB design makes it perfect for long-term outdoor or greenhouse applications.
Key Features
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Sensor Type: Capacitive soil moisture sensor (non-corrosive design)
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Operating Voltage: 3.3V – 5V DC (Arduino-compatible)
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Output Type: Analog voltage signal proportional to soil moisture level
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Technology: Capacitive sensing (no exposed metal electrodes)
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Material: Corrosion-resistant FR-4 PCB with waterproof coating
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Interface Pins: VCC, GND, AO (Analog Output)
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Measurement Principle: Detects changes in soil dielectric constant
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Operating Temperature: -10°C to +85°C
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Dimensions: Approx. 99mm × 23mm × 5mm
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Compatibility: Works with Arduino, ESP32, Raspberry Pi, and most IoT platforms
Advantages
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Corrosion-resistant design ensures long service life.
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Accurate and stable soil moisture readings.
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Simple analog output for easy integration with microcontrollers.
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Low power consumption — ideal for battery-powered systems.
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Perfect for automated irrigation, greenhouse monitoring, and smart farming.
Applications
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Smart garden and automatic plant watering systems
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Soil moisture monitoring for agriculture and research
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Greenhouse automation and hydroponic systems
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IoT-based environmental sensing projects
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Arduino and ESP32 DIY electronics projects
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