HUMIDITY DETECTION SENSOR MODULE HR202 LM393
Module Features:
- using high-quality HR202 humidity sensor;
- the comparator output signal is clean. good waveform. driving ability. more than 15mA.
- adjust the temperature distribution position detection threshold
- the working voltage 3.3V-5V
- the output format: digital switching outputs (0 and 1)
- a fixed bolt holes for easy installation
- a small PCB board size: 3.2cm x 1.4cm
- using a wide voltage LM393 comparator
Wiring (4-wire)
1 VCC external 3.3V-5V
2 GND GND External
3 DO small board digital output interfaces (0 and 1)
4 AO for analog data
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