Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 5V / 12V DC |
| Detection Area | 160mm x 100mm |
| Output Signal | Digital Switch (High/Low) |
| Relay Contact Capacity | 10A 250VAC / 10A 30VDC |
| PCB Material | FR-4 Double Sided |
| Weather Resistance | IPX5 Coating |
| Indicator LED | Power & Trigger Status |
| Mounting Hole Diameter | 4mm |
| Connection Cable | 20cm PH2.0 Connector |
| Operating Temperature | -20°C to 70°C |
Anonymous
Mar 27, 2026
Rating: 5/5
Great for automation projects
Integrated this with my smart home system. The 12V option is very convenient for driving larger loads via the relay. Highly recommended.
Anonymous
Mar 12, 2026
Rating: 5/5
Perfect for my greenhouse automation
Works exactly as described. I connected it to my Arduino to close the roof windows when it starts raining. The sensitivity is great and the relay clicks firmly.
Anonymous
Mar 05, 2026
Rating: 4/5
Sensitive but robust
Good detection area and it survived a heavy storm last week. Only reason for 4 stars is the cable could be a bit longer for my setup.
Anonymous
Feb 19, 2026
Rating: 5/5
Survived the monsoon
Left it outside for weeks under partial cover. No corrosion on the contacts and it still triggers reliably when water hits the surface.
Anonymous
Jan 26, 2026
Rating: 3/5
Relay is loud
Functionality is good and it detects rain well. However, the mechanical relay makes a loud clicking sound which might be annoying in quiet environments.
Q: Can I use this sensor with 3.3V logic microcontrollers?
A: Yes, but you may need a logic level converter since the module operates at 5V or 12V. The output signal matches the input voltage.
Q: Does this come with mounting screws?
A: No, mounting hardware is not included. The holes are standard 4mm diameter to fit common M3 or M4 screws.
Q: Is the sensitivity adjustable via a potentiometer?
A: No, this model has a fixed threshold designed for reliable rain detection without false positives from humidity.
Q: What is the warranty period for this module?
A: We offer a 12-month manufacturer warranty against defects in materials and workmanship.
Q: Can it control a water pump directly?
A: Yes, via the onboard relay. Ensure the pump current does not exceed 10A to avoid damaging the relay contacts.
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