Raindrops Detection Sensor Module with 12V Relay Module


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Approx Restocking Date: 25 to 30 Days
SKU: 890228
  1. Relay Operating Voltage: 12VDC
  2. Relay load capacity: 250V 10A (AC) 30V 10A (DC)
  3. Sensor PCB Dimension: 55 x 40 mm
  4. The LM393, use of the wide voltage comparator
  5. Output LED indicator
  6. TTL Compatible


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Brand: Generic
Category: Environmental Sensors
Tags: Rain Detection, Rain Sensor

The Raindrops Detection sensor module is used for rain detection. It is also for measuring rainfall intensity. The rain sensor can be used for all kinds of weather monitoring and translated into output signals and AO.

The rain sensor can be used to monitor a variety of weather conditions and turned into several fixed output signal and Analog output.

It includes a printed circuit board (control board) that “collects” the raindrops. As raindrops are collected on the circuit board, they create paths of parallel resistance that are measured via the op-amp. The lower the resistance (or the more water), the lower the voltage output. Conversely, the less water, the greater the output voltage on the analogue pin. A completely dry board, for example, will cause the module to output 5V.

The robot kit for raindrop, rain, humidity sensor plant leaves can be used to monitor various weather conditions and has relay outputs that directly control the motor as well as other startup and shutdown.

This Raindrops Detection Sensor Module with 12V Relay Module sensor is made of high-quality double-sided fr-04 item material with a large area of 5.0* 4.0cm and a surface coated with nickel. It has the characteristics of oxidation resistance, electrical conductivity, superior performance and long service life. It is directly equipped with power relay module for load control. you can Adjust the sensitivity distribution position and control the opening of the relay under different humidity control.

When the power is plugged in, the power indicator light is on without water sensors, relays, switches for starting related equipment, indicator lights, dripping water, relays are off, lights on and off are not on.

Features :

  1. The LM393, use of the wide voltage comparator
  2. Output LED indicator
  3. TTL Compatible
  4. The sensor uses the high-quality FR – 04 double material, the large area of 5.5  x  4.0 cm
  5. Treatment of nickel plating and surface, have fight oxidation, electrical conductivity, and life has more superior performance
  6. The comparator output, signal clean, good waveform, driving ability is strong, for more than 15 mA;
  7. With potentiometer sensitivity adjustment
  8. Has a fixed bolt hole, convenient installation

Package Includes :

1 x Printed Circuit Board for Rain Water Collection ( 55 x 40 mm)

1 x 12v Relay Module

1 x 2 Pin Dupont Cable (20cm)

SKU: 890228 Category: Tags: ,
Operating Voltage (VDC):


Sensor PCB Dimension (mm)

55 x 40

Relay load capacity

250V 10A (AC) 30V 10A (DC)

Quiescent Current


Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.018 kg
Shipping Dimensions 5 × 1 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.


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Country Of Origin: China