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HR202 Module air moisture sensor Humidity Sensor Testing Module Humidity Detection with LM393 chip

Regular price $2.69

Shipping calculated at checkout.


HR202 Module air moisture sensor is Fork-like design, it's easy to insert into the soil, Output voltage boosts along with the soil moisture level increases.

It could be used to Auto watering system, Flowerpot soil moisture detection, Auto pouring system.


  • Detection depth: 38mm
  • Power: 2.0V ~ 5.0V
  • Dimension: 20.0mm * 51.0mm
  • Mounting holes size: 2.0mm

How to Use:
In the case of working with a MCU:
VCC ↔ 2.0V ~ 5.0V
GND ↔ power supply ground
AOUT ↔ MCU.IO (analog output) .

Shipping List

  • Soil Moisture Sensor x1