HR202 Humidity Detection Sensor Module DC 3.3V-5V LM393 Chip (3 wire system)
Description
1. High quality HR202 humidity sensor
2. Distribution bit adjust temperature detection threshold
3. The comparator output signal clean, good waveform, driving ability, more than 15mA
4. Operating voltage 3.3V-5V
5. Output Type, analog voltage output and digital switching outputs (0 and 1)
6. With fixed bolt hole for easy installation
7. Board PCB size: 3.2cm * 1.4cm
Module interface specification (4-wire)
1. VCC: Positive power supply 3.3V-5V
2. GND:Negative power supply
3. DO: TTL switching signal output
4. AO board analog output (voltage signal)
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