A
Anonymous
Apr 09, 2026
Rating: 5/5
Great sensitivity
I adjusted the threshold easily. Now my sprinkler system only runs when needed.
Description
Tmall 14-year flagship store Risym Weixin High-quality bestseller
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 5V / 12V DC |
| Output Signal | Digital Switch Output (0/1) |
| Probe Material | Nickel-Plated Steel |
| Working Current | Less than 20mA |
| Interface Type | 3-Pin PH2.0 Connector |
| PCB Dimensions | 32mm x 14mm x 5mm |
| Probe Length | 60mm |
| Net Weight | 15 grams |
| Compatibility | Arduino, Raspberry Pi, ESP32 |
| Package Includes | 1x Sensor Module, 1x Probe |
5 reviews
A
Anonymous
Mar 27, 2026
Rating: 5/5
Perfect for my Arduino project
Works exactly as described. Easy to calibrate with the potentiometer on the board.
A
Anonymous
Mar 23, 2026
Rating: 4/5
Easy for beginners
Clear instructions online. Took me an hour to set up my first auto-watering system.
A
Anonymous
Mar 23, 2026
Rating: 4/5
Good value but probes corrode
Does the job well for monitoring soil. Just note that the probes may corrode after long-term exposure to wet soil.
A
Anonymous
Feb 16, 2026
Rating: 5/5
Reliable detection
Integrated this with my ESP8266. No issues with reading the digital output.
5 FAQ
Q: How deep should I insert the probe?
A: For best results, insert the probe about 2 to 3 inches into the soil near the plant roots.
Q: Is calibration required out of the box?
A: Minor calibration using the onboard potentiometer is recommended for specific soil types.
Q: Does it come with code examples?
A: We provide a link to a GitHub repository with Arduino and Python examples in the package.
Q: Are the probes waterproof?
A: The probes are water-resistant for soil insertion, but the circuit board should be kept dry.
Q: Can this run on 3.3V logic?
A: Yes, the module supports 5V and 12V input, and the output is compatible with 3.3V microcontrollers.
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