HUMIDITY DETECTION SENSOR MODULE HR202 LM393_x000D_\n_x000D_\n
Module Features:_x000D_\n
_x000D_\n - using high-quality HR202 humidity sensor;
_x000D_\n - the comparator output signal is clean. good waveform. driving ability. more than 15mA.
_x000D_\n - adjust the temperature distribution position detection threshold
_x000D_\n - the working voltage 3.3V-5V
_x000D_\n - the output format: digital switching outputs (0 and 1)
_x000D_\n - a fixed bolt holes for easy installation
_x000D_\n - a small PCB board size: 3.2cm x 1.4cm
_x000D_\n - using a wide voltage LM393 comparator
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_x000D_\n _x000D_\n_x000D_\n
Wiring (4-wire)_x000D_\n_x000D_\n1 VCC external 3.3V-5V_x000D_\n_x000D_\n2 GND GND External_x000D_\n_x000D_\n3 DO small board digital output interfaces (0 and 1)_x000D_\n_x000D_\n4 AO for analog data_x000D_\n_x000D_\n