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.

Water Rain Snow Detector PCB Module Sensor For Arduino
Water Rain Snow Detector PCB Module Sensor For Arduino $1.99
End Date: Saturday Apr-29-2017 15:38:36 PDT
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Water Rain Snow Detector PCB Module Sensor For Arduino Fast Shipping USA
Water Rain Snow Detector PCB Module Sensor For Arduino Fast Shipping USA $1.98
End Date: Thursday May-11-2017 8:45:59 PDT
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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 $1.07
End Date: Sunday May-7-2017 17:54:51 PDT
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RAIN DETECTOR BOARD FOR ARDUINO AND COMPATABLES SHIPS FROM US
RAIN DETECTOR BOARD FOR ARDUINO AND COMPATABLES SHIPS FROM US $1.29
End Date: Thursday May-11-2017 4:49:30 PDT
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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 $2.58
End Date: Friday May-19-2017 20:02:09 PDT
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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 $1.23
End Date: Saturday Apr-29-2017 20:20:08 PDT
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Rain Water Level Sensor Module Detector Liquid Surface Depth Height for arduino
Rain Water Level Sensor Module Detector Liquid Surface Depth Height for arduino $4.99
End Date: Tuesday May-2-2017 15:31:30 PDT
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CB7 NEW Snow Raindrop Sensor Detector Module Rain Humidity Module for Arduino A
CB7 NEW Snow Raindrop Sensor Detector Module Rain Humidity Module for Arduino A $2.38
End Date: Saturday Apr-29-2017 0:31:23 PDT
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Snow Raindrop Sensor Detector Module Rain Humidity Module for Arduino New
Snow Raindrop Sensor Detector Module Rain Humidity Module for Arduino New $2.59
End Date: Wednesday May-24-2017 1:07:55 PDT
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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 $2.58
End Date: Friday May-12-2017 19:04:42 PDT
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