HR202 humidity sensor module
HR202 humidity sensor module Humidity detection switch
Module Features:
1, using high-quality HR202 humidity sensor;
2, the comparator output signal is clean, good waveform, driving ability, more than 15mA.
3, adjust the temperature distribution position detection threshold
4, the working voltage 3.3V-5V
5, the output format: digital switching outputs (0 and 1)
6, a fixed bolt holes for easy installation
7, a small PCB board size: 3.2cm x 1.4cm
8, using a wide voltage LM393 comparator
Wiring (3-wire)
1 VCC external 3.3V-5V
2 GND GND External
WIFI Internet of Things development board based ESP8266