Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Output Type | Analog & Digital (DO & AO) |
| Interface | 3-pin PH2.0 Connector |
| PCB Dimensions | 63mm x 20mm x 8mm |
| Working Current | < 20mA |
| Sensing Principle | Conductive Trace Detection |
| Substrate Material | FR-4 Epoxy Glass |
| Net Weight | 5 grams |
| Compatibility | Arduino, ESP32, STM32, Raspberry Pi |
| Package Includes | 1x Sensor Module, 1x Dupont Cable |
Anonymous
Apr 06, 2026
Rating: 5/5
Arduino compatible
Easy to wire up using standard jumper cables. I used it for a plant watering system and it triggers reliably when the soil is wet.
Anonymous
Apr 01, 2026
Rating: 5/5
Perfect for my rain alarm project
Works exactly as described. I connected it to my Arduino Uno and it detected water droplets instantly. Great sensitivity for the price.
Anonymous
Mar 12, 2026
Rating: 3/5
Corrodes eventually
Functioned well for about a month of continuous exposure to water. The traces started to corrode after that. Good for temporary prototypes.
Anonymous
Feb 16, 2026
Rating: 5/5
Great for prototypes
Fast delivery and the module is compact. I use it to detect leaks under my sink prototype. Very sensitive to moisture.
Anonymous
Jan 29, 2026
Rating: 4/5
Good value but needs calibration
The sensor works well, but you need to adjust the potentiometer on the back to get the digital output right. Analog reading is stable.
Q: Is the sensor waterproof for long term submersion?
A: The PCB traces are exposed. While it detects water well, prolonged submersion may lead to corrosion over time. It is best for intermittent detection.
Q: Can it measure exact water depth in centimeters?
A: It provides an analog value corresponding to conductivity. You can calibrate it for relative depth, but it is not a precise ultrasonic depth meter.
Q: What is the length of the included cable?
A: The included Dupont connector cable is approximately 15cm in length, suitable for most breadboard setups.
Q: Do I need to install a specific library for this?
A: No specific library is required. You can use standard analogRead() functions in the Arduino IDE to read the sensor values.
Q: Does this work with 3.3V logic boards like ESP32?
A: Yes, the module operates within the 3.3V to 5V range, so it is fully compatible with ESP32 and similar boards.
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