Rain sensor module with Analog / Digital output

This rain sensor responds to raindrops or snow, which changes the resistance at the analog output. You can evaluate the analog output of the sensor with your Arduino or Raspberry Pi and determine how much water is on the sensor. Rain can also be detected via the digital output, here you can set the threshold value with the potentiometer, from when the digital output switches.  You can find an Arduino program example for reading an analog sensor in the Arduino IDE under Examples/Analog/AnalogInput.

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Connections:

Technical Details:

• Operating voltage: 3.3-5V
• Chip: LM393
• Digital outputs: 1 (TTL)
• Analog outputs: 1
• Dimension Rain sensor: 50 x 40mm
  
• Dimension Board: 30 x 15mm
  
• Weight: 9g
  

Delivery contents:

• 1x Rain sensor YL-38
  
• 1x Evaluation electronics FC-37 with LM393
  
• 2x Jumper cable F/F 20cm (various colors)