Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 5V DC |
| Sensor Plate Size | 160mm x 100mm |
| Output Type | Digital Switch (TTL) |
| Relay Load Capacity | 10A 250VAC |
| PCB Substrate | FR-4 Double Sided |
| Module Size | 32mm x 14mm x 10mm |
| Net Weight | 12g |
| Connection Interface | 3-Pin Header |
| Sensitivity Adjustment | On-board Potentiometer |
| Working Temperature | -20°C to 70°C |
Anonymous
Apr 10, 2026
Rating: 5/5
Easy Integration
Plug and play with my Raspberry Pi GPIO. The digital output makes coding very simple. Great value for the price.
Anonymous
Mar 23, 2026
Rating: 5/5
Reliable Detection
Used this for my garden irrigation system to prevent watering during rain. Very sensitive and the adjustment knob helps fine-tune it.
Anonymous
Feb 22, 2026
Rating: 5/5
Perfect for Arduino
Works exactly as described. I integrated it into my weather station project and the relay triggers consistently when water hits the sensor.
Anonymous
Jan 29, 2026
Rating: 4/5
Good Quality
The PCB looks solid and the relay clicks loudly which confirms activation. Only wish the jumper wires were included in the pack.
Anonymous
Jan 28, 2026
Rating: 4/5
Solid Build
Sensor plate is large enough for accurate detection. Sensitivity needs some tuning out of the box but works well once set.
Q: Can this module operate on 3.3V logic?
A: The sensor requires 5V power for the relay and comparator. While the output might be readable by 3.3V systems, we recommend using a 5V supply.
Q: Does it come with connecting cables?
A: This package includes the module and sensor plate only. Jumper wires are sold separately or can be sourced from your existing kit.
Q: What is the difference between NO and NC terminals?
A: NO is Normally Open and NC is Normally Closed. You can wire your load to either depending on whether you want the circuit open or closed when rain is detected.
Q: How do I clean the sensor plate?
A: Simply wipe the plate with a soft dry cloth. Avoid using harsh chemicals or abrasives that might damage the nickel coating.
Q: Is the sensor plate waterproof?
A: The sensor plate has a nickel coating suitable for outdoor exposure, but the main PCB module should be kept in a dry enclosure.
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