This is Little bit strange circuit.But I have used simple method.When the rain comes This circuit collects dresses automatically.So you don't want to collect dresses you yourself.Here I have used common Ic NE 555.Use a relay for the moter.
Note
# According to the power of your moter give the power for the moter power supply.
# Keep the sensor out of your house.
# Manage this circuit as you like.
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