Soil Moisture Sensor – Arduino, STM32 & Raspberry Pi
Soil Moisture Sensor – Arduino, STM32 & Raspberry Pi
Soil Moisture Sensor — Smart Watering & Plant Care Made Easy
Keep your plants healthy and thriving with this compact, easy-to-use Soil Moisture Sensor by Core Valley Electronics. Whether you're a hobbyist, educator, or maker, this analog humidity sensor gives you accurate, real-time soil moisture readings — perfect for automated plant watering systems, smart gardens, and DIY electronics projects.
Designed for seamless compatibility with the most popular development platforms — STM32, Arduino, and Raspberry Pi — this sensor comes with ready-to-use routines so you can get up and running fast. Simply insert the probes into the soil, connect the sensor to your board, and start reading moisture data in minutes.
Key Features
- Wide Compatibility: Works with STM32, Arduino, Raspberry Pi, and other microcontroller platforms; sample routines included
- Analog Output: Provides smooth, continuous analog signal for precise moisture level readings
- Compact & Lightweight: Measures just 20 × 51 × 3 mm and weighs only 6g — ideal for tight spaces and portable builds
- Low Power Consumption: Operates at 5V with a working current of only 0.1A
- General Purpose Use: Suitable for indoor plants, outdoor gardens, greenhouses, hydroponics monitoring, and soil research
- No High-Concern Chemicals: Made from a safe mixture of materials with no hazardous chemical substances
Technical Specifications
- Model: Moisture Sensor (Analog)
- Sensor Type: Humidity / Soil Moisture Sensor
- Output Type: Analog
- Working Voltage: 5V
- Working Current: 0.1A
- Dimensions: 20 × 51 × 3 mm
- Weight: 6g
- Compatible Platforms: STM32, Arduino, Raspberry Pi
- Made in: Mainland China
What's in the Box
- 1 × Soil Moisture Sensor Module
- STM32 / Arduino / Raspberry Pi sample routines
Perfect For
- Automated plant watering systems
- Smart garden and greenhouse monitoring
- STEM education and electronics learning projects
- IoT (Internet of Things) soil monitoring applications
- Hobbyist and maker electronics builds
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Frequently Asked Questions
Q: Is this soil moisture sensor compatible with Arduino and Raspberry Pi?
A: Yes! This analog soil moisture sensor is fully compatible with Arduino, STM32, and Raspberry Pi development boards. Sample routines for all three platforms are included, making it easy to integrate into your project right away.
Q: What voltage does the soil moisture sensor require?
A: The sensor operates at 5V with a working current of 0.1A, making it easy to power directly from most microcontroller boards, including standard Arduino and Raspberry Pi setups.
Q: What is the analog output used for in this sensor?
A: The analog output provides a continuous voltage signal that corresponds to the moisture level in the soil. This allows your microcontroller to read precise, real-time moisture data and trigger actions — such as activating a water pump — based on programmable thresholds.
Q: Can this sensor be used outdoors or in a greenhouse?
A: Yes, the soil moisture sensor is suitable for general-purpose use in indoor and outdoor environments, including gardens, greenhouses, and hydroponic setups. It's compact and lightweight, so it fits easily into most growing containers or garden beds.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.