Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Output Type | Digital Switching Output and Analog Output |
| PCB Dimensions | 60mm x 20mm |
| Comparator Chip | LM393 Wide Voltage Comparator |
| Sensitivity Adjustment | Adjustable via Blue Potentiometer |
| Sensor Material | Nickel Coated PCB Traces |
| Working Current | Approximately 20mA |
| Interface Type | 3-Pin PH2.0 Connector (VCC, GND, OUT) |
| Product Weight | 15 grams |
| Microcontroller Compatibility | Arduino, Raspberry Pi, STM32, ESP8266 |
Anonymous
Apr 13, 2026
Rating: 5/5
Perfect for my weather station project
This sensor works exactly as described. I integrated it with my Arduino Uno to trigger an alert when rain is detected. The sensitivity adjustment is very useful for differentiating between light mist and heavy rain.
Anonymous
Apr 07, 2026
Rating: 5/5
Easy to integrate
I used this for an automatic window closer system. The digital output makes it very easy to read with a microcontroller. Shipping was fast and the packaging protected the PCB well.
Anonymous
Mar 19, 2026
Rating: 4/5
Good value but needs calibration
The module is well-built and the nickel coating looks durable. You do need to spend some time calibrating the potentiometer to get the right threshold, but once set, it is reliable.
Anonymous
Mar 12, 2026
Rating: 5/5
Great for educational projects
Bought this for a school science project regarding weather monitoring. It was easy to set up and the students could clearly see the output change when water was applied.
Anonymous
Feb 16, 2026
Rating: 4/5
Solid build quality
The PCB feels sturdy. I am using it as a water level indicator in a small tank. It responds quickly to contact with water. Just ensure you power it within the recommended voltage range.
Q: Is the electronics board waterproof for outdoor use?
A: The sensor traces are nickel-coated for exposure, but the electronic components on the PCB are not waterproof. We recommend housing the circuit board in a protective enclosure if used outdoors.
Q: Can this module be used with 3.3V logic systems?
A: Yes, the module operates within a 3.3V to 5V DC range, making it compatible with 3.3V logic systems like ESP8266 or Raspberry Pi.
Q: What library do I need for Arduino?
A: No specific library is required. You can read the digital output using standard digitalRead() functions or the analog output using analogRead() in the Arduino IDE.
Q: How long are the sensor traces expected to last?
A: The nickel-coated traces are designed for durability, but prolonged exposure to harsh elements may cause oxidation over time. Regular inspection is recommended for long-term deployments.
Q: Does it provide analog values for rain intensity?
A: Yes, the module provides both a digital TTL output and an analog output, allowing you to measure varying levels of moisture intensity.
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