Supply Voltage: 3.3–5 V DC Current Consumption: ~15 mA Humidity Range: ~20–95 %RH Digital (DO): High/Low via LM393 comparator (threshold adjustable) Analog (AO): Voltage proportional to humidity (on some versions) Operating Temperature: ~0 °C to 60 °C Comparator: LM393 with onboard potentiometer Pins: VCC, GND, DO (AO optional) Applications: Simple humidity detection, Arduino/MCU projects Buy Online: https:https://www.giganepal.com/product/hr202-humidity-detection-sensor-module/?v=cf3fc916339b