Rain Detector / Rain Sensor

Rain-sensorSome models come with a basic analogue to digital converter that's adjustable.  It requires a 3 volt and ground connection, and has a signal line which triggers when wet.

I wired the signal connector directly to a GPIO.  It may also run at 5volts but didn't want to risk the pi.

Raindrop Detection Sensor Snow Rain Detector Weather Module Humidity For Arduino
Raindrop Detection Sensor Snow Rain Detector Weather Module Humidity For Arduino $0.99
End Date: Tuesday Dec-19-2017 7:43:15 PST
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1 Rain detector module and sensor board kit for easy arduino interface DIY 2O
1 Rain detector module and sensor board kit for easy arduino interface DIY 2O $0.99
End Date: Monday Dec-25-2017 19:20:08 PST
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2pcs Rain Sensor Detector Module Raindrop Detection Shield Arduino Compatible US
2pcs Rain Sensor Detector Module Raindrop Detection Shield Arduino Compatible US $8.49
End Date: Friday Jan-5-2018 16:51:46 PST
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1 Rain detector module and sensor board kit for easy arduino interface DIY HW
1 Rain detector module and sensor board kit for easy arduino interface DIY HW $0.99
End Date: Tuesday Jan-2-2018 16:54:51 PST
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1 Rain detector module and sensor board kit for easy arduino interface DIY TW
1 Rain detector module and sensor board kit for easy arduino interface DIY TW $0.99
End Date: Saturday Dec-23-2017 22:49:49 PST
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1Pc Hot Rain Detector Module Sensor Board Kit for Easy Arduino Interface DIY
1Pc Hot Rain Detector Module Sensor Board Kit for Easy Arduino Interface DIY $0.99
End Date: Tuesday Jan-9-2018 3:01:58 PST
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CB7 Snow Raindrop Sensor Detector Module Rain Humidity Module for Arduino New
CB7 Snow Raindrop Sensor Detector Module Rain Humidity Module for Arduino New $2.45
End Date: Friday Jan-12-2018 17:07:13 PST
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RAIN DETECTOR BOARD FOR ARDUINO AND COMPATABLES SHIPS FROM US
RAIN DETECTOR BOARD FOR ARDUINO AND COMPATABLES SHIPS FROM US $0.99
End Date: Monday Jan-8-2018 14:15:37 PST
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5x Rain Drop Test Sensor Module Water Snow Detector For Arduino Robot Kit Analog
5x Rain Drop Test Sensor Module Water Snow Detector For Arduino Robot Kit Analog $10.91
End Date: Friday Jan-5-2018 13:02:47 PST
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New Raindrop Detection Sensor Snow Rain Detector Weather Module Humidity Arduino
New Raindrop Detection Sensor Snow Rain Detector Weather Module Humidity Arduino $0.99
End Date: Wednesday Dec-20-2017 0:21:20 PST
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