Soil Moisture Detection Humidity Sensor Module

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In Stock


Smart Electronics Soil Moisture Hygrometer Detection Humidity Sensor Module For Arduino Development Board


  • This is a summary of the moisture sensor can be used to detect the moisture of the soil, when the soil is dry , the module outputs a high level , whereas the output low. Using this sensor make an automatic watering system , so that your garden plants need people to manage.
  • Adjustable sensitivity ( shown in blue digital potentiometer adjustment ).
  • Operating Voltage 3.3V-5V.
  • Module Dual Output mode , a simple digital output , analog output more accurate.
  • With fixed bolt hole for easy installation.
  • Small PCB board size: 3cm * 1.6cm.
  • Power indicator ( red ) and the digital switch output indicator ( green ).
  • Using LM393 comparator chip, stable.
  • VCC external 3.3V-5V
  • GND GND External
  • DO small board digital output interfaces ( 0 and 1 )
  • AO small board analog output interface



  • A soil moisture and humidity module most sensitive to the environment , usually used to detect soil moisture.
  • Modules in the soil moisture reach the set threshold , DO port output high when soil moisture exceeds a set threshold, the module D0 output low.
  • Digital outputs D0 small plates can be directly connected with the microcontroller through the microcontroller to detect high and low , thereby detecting soil moisture.
  • Small plates digital output DO OUR relay module can directly drive the buzzer module , which can be composed of a soil moisture alarm equipment.
  • Small plates AO analog output modules can be connected and AD through the AD converter , you can get a more accurate value of soil moisture.


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