Raindrop sensor module
Product Introduction:
1. The sensor is made of high-quality FR-04 double-sided material, with a large area of ??5.0 * 4.0CM, plated with nickel surface treatment, with better performance in terms of anti-oxidation, conductivity
2. Comparator output, clean signal, good waveform, strong driving ability, more than 15mA
3. Adjust the sensitivity of the distributor
4. Working voltage 3.3V-5V
5. Output form: digital switch output (0 and 1) and analog AO voltage output;
6. Provide fixing bolt holes for easy installation
7. Small board PCB size: 3.2cm x 1.4cm
8. Use wide voltage LM393 comparator
User Manual:
Connect the 5V power supply, the power indicator light is on, and when there is no water drop on the sensor board, the DO output is high.
AO analog output can be connected to the AD port of the single-chip microcomputer to detect the amount of rain falling on it.
The DO TTL digital output can also be connected to the microcontroller to detect whether there is rain.
Wiring:
1. VCC: connect to the positive pole of the power supply (3-5V)
2. GND: Connect to the negative pole of the power supply
3. DO: TTL switch signal output
4. AO: analog signal output
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Raindrop sensor module
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