Rain Sensor
by Li Niu, Clemson Automotive Engineering Graduate Student
- The video below demonstrates a simple rain sensor built using an LED and optical photo detector:
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The LED and Sensor Below a Glass Plate
![Schematic of rain sensor circuit](images/niu-sensor.jpg)
The Circuit Board
![Schematic of rain sensor circuit](images/niu-circuitboard.jpg)
The Sensor Layout
![Schematic of rain sensor circuit](images/niu-layout.jpg)
The Circuit Schematic
![Schematic of rain sensor circuit](images/niu-circuit.png)
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