Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 5V DC |
| Output Type | Digital Switching Output (0 and 1) |
| Interface | 3-Pin PH2.0 Connector |
| PCB Dimensions | 32mm x 14mm |
| Mounting Hole Diameter | 3mm |
| Indicator | Power LED and Digital Switching Output LED |
| Comparator Chip | LM393 Wide Voltage Comparator |
| Working Current | Less than 20mA |
| Probe Material | Nickel-Coated Steel |
| Package Content | 1x Sensor Module, 1x Soil Probe |
Anonymous
Mar 19, 2026
Rating: 4/5
Works well but probe corrodes
The module itself is great. The probe might need replacement after a year due to corrosion if left in soil permanently.
Anonymous
Mar 02, 2026
Rating: 4/5
Good module, needs calibration
Solid build quality. You need to spend time calibrating the sensitivity for different soil types, but once set it works.
Anonymous
Feb 15, 2026
Rating: 5/5
Perfect for my automated planter
Works exactly as described. Easy to set the threshold with the potentiometer. Integrated well with my Arduino setup.
Anonymous
Jan 27, 2026
Rating: 5/5
Great value for money
Bought three for different pots. All working well after a month of continuous use.
Anonymous
Jan 27, 2026
Rating: 5/5
Reliable switching
The LM393 comparator is stable. No false triggers noticed so far during my testing phase.
Q: Can this work with 3.3V logic microcontrollers?
A: The module operates at 5V, but the digital output is generally compatible with most 3.3V microcontrollers.
Q: What is the length of the probe?
A: The probe fork length is approximately 60mm.
Q: Can it drive a relay directly?
A: No, please use a transistor or relay module to drive higher loads safely.
Q: How do I adjust the sensitivity?
A: Use the blue potentiometer on the board. Turn clockwise to increase sensitivity.
Q: Is the output normally open or closed?
A: The digital output goes LOW when moisture exceeds the threshold setting.
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