Raindrop Sensor Module

Raindrop Sensor Module

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US$9.99
SKU: TS0225
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I powered it from 3.3V and it triggers a GPIO pin change when it reads water. It does not send 3.3V back but my Python code did detect the edge change. By Rhoda Baade 2016-05-19 13:58:52

Bought this as a sensor to use from my Raspberry PI to monitor my sump
pit. It works great with the PI for detecting the presence of water or
not. The water has to take up an entire row and not just a splash on
the sensor. The PI cannot read voltage changes but I hooked it up to
my multimeter and you can see the voltage change as the depth changes
so any device that can read that could get extra information from this
sensor.

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Raindrop Sensor Module