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HR202 Humidity Sensor Testing Module for Humidity Detection

Regular price $1.59

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This HR202 Humidity Sensor can detect the humidity of the surrounding environment. Adjustable sensitivity (shown in blue digital potentiometer adjustment).


  • Operating voltage 3.3V-5V.
  • Analog output form.
  • With fixed bolt hole for easy installation.
  • Small plates PCB size: 3cm*1.6cm.
  • Power LED (red) and the digital switch output indicator.
  • Using LM393 comparator chip, stable.

Shipping List

  • HR202 Humidity Testing Detection Module x1