Hr202 Humidity Sensor Module Environmental Humidity Detection Module

Product Description of Humidity - Sensitive Sensor

1. Product Features

- Core Component: Adopts high - quality HR202 humidity - sensitive sensor

- Signal Output: Comparator output, with clean signal, good waveform, and strong driving capability (>15mA)

- Function Adjustment: Equipped with a potentiometer, which can adjust the humidity detection threshold

- Voltage Compatibility: Operating voltage 3.3V - 5V

- Output Form: Digital switch output (0 and 1)

- Installation Convenience: Equipped with fixed bolt holes for easy installation

- Specification Size: Small board PCB size 3.2cm×1.4cm

- Device Advantage: Uses wide - voltage LM393 comparator

2. Product Application

- Suitable for humidity detection scenarios, such as matching with humidity sensors, environmental humidity detection, etc.

3. Wiring Instructions

- VCC: Connect to the positive pole of the power supply (3.3 - 5V)

- GND: Connect to the negative pole of the power supply

- D0: TTL switch signal output

- AO: Small board analog signal output (voltage signal)