חיישן גשם

תיאור

1. The sensor is made of high-quality FR-04 double-sided material, with a large area of ​​5.0*4.0CM, and the surface is treated with nickel plating, which has superior performance in terms of oxidation resistance, conductivity, and lifespan;

2. Comparator output, The signal is clean, the waveform is good, and the driving ability is strong, exceeding 15mA;

3. Distribution potentiometer adjusts the sensitivity;

4. Working voltage 3.3V-5V

5. Output form: digital switching output (0 and 1) and analog AO voltage output ;

6. Equipped with fixing bolt holes for easy installation

7. Small PCB size: 3.2cm x 1.4cm

8. Use wide voltage LM393 comparator

Wiring method:

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