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Rain Sensor Module for Arduino Raspberry PI
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Rain Sensor Module for Arduino Raspberry PI is a Highly rated product. Make your own automated cloth hanger with rain alarming.
Specifications:
- This sensor adopt high quality of RF-04 double sides material.Area of 5.0*4.0CM,plate nickle on side, Anti-oxidation,anti-conductivity, with long use time
- The comparator output signal clean waveform is good, driving ability, over 15mA
- Potentiometer adjust the sensitivity
- Working voltage 3.3V-5V
- Output format: Digital switching output (0 and 1) and analog voltage output AO
- With bolt holes for easy installation
- Small board PCB size: 3.2cm x 1.4cm
- using a wide voltage LM393 comparator
Instructions:
- Connect 5V power supply, Then power indicator light. No water on sensor board,DO output shows “high level”, the switch indicator light off..Drop a water,DO output shows “Low level”, the switch indicator lights.
- Clean the water,it returned high level status
- AO analog output,could connect MCU ‘s AD port to test the size of rainfall.
- DO TTL digital output also could coonnect MCU to test if there has raindrop.
Mode of Connection:
- VCC: positive power supply (3-5V)
- GND: tied to power supply
- DO: TTL switching signal output
- AO: analog output.
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