

Rain Drop Moisture Detection Sensor
High-quality RF-04 double-sided moisture/rain sensor with adjustable sensitivity, digital & analog outputs, 5V working voltage, and compact PCB design for easy installation.
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Key specifications
About this product
The Rain Drop Moisture Detection Sensor is a reliable and easy-to-use module designed to detect water drops and measure surface moisture levels. Ideal for smart irrigation systems, weather monitoring projects, and home automation, this moisture sensor provides both digital and analog outputs for easy integration with Arduino, Raspberry Pi, ESP8266, and other microcontrollers.
Key Features
- High-sensitivity rain and moisture detection for precise measurements
- Dual output modes: digital and analog for versatile applications
- Compact, durable, and water-resistant design suitable for indoor and outdoor projects
- Low power consumption, ideal for battery-operated and IoT devices
- Easy to integrate with popular microcontrollers including Arduino, Raspberry Pi, and ESP series
Applications
- Automatic irrigation and smart farming systems
- Home automation: water leak detection and rain alarms
- Environmental and weather monitoring stations
- DIY electronics and robotics projects
- IoT water detection systems for smart homes and industries
Why Choose the Rain Drop Moisture Sensor?
- Reliable and accurate detection of surface moisture and rainfall
- Digital output for triggers and analog output for precise moisture readings
- Budget-friendly solution for students, hobbyists, and engineers
- Quick setup with minimal components and programming
- Enhances smart farming, environmental monitoring, and IoT automation projects
Technical Specifications
- Operating Voltage: 3.3V to 5V DC
- Output: Digital (HIGH/LOW) & Analog (0–5V)
- Detection Sensitivity: Adjustable
- Response Time: Fast detection of moisture and rain drops
- Working Temperature: -10°C to 50°C
Integration and Setup
The sensor comes in a compact 2-pin or 3-pin module depending on the variant. Connect the digital output to an I/O pin of your microcontroller for rain detection triggers, or use the analog output for detailed moisture level readings. Ready-made libraries and code examples are available for Arduino and Raspberry Pi, making it easy for beginners and professionals to get started quickly.
Enhance Your Projects Today
Whether building a smart irrigation system, monitoring environmental conditions, or creating a weather-based home automation project, the Rain Drop Moisture Detection Sensor is your reliable solution for accurate, real-time moisture detection. Make your electronics projects smarter and more efficient with this high-quality moisture sensor module.






