Soil Moisture Sensor Module




46 in stock

49.00 (Exc. GST)

46 in stock

This is a summary of the soil moisture sensor can be used to detect moisture, when the soil is dry, the module outputs a high level, whereas output low. Using this sensor make an automatic watering system, so that your garden plants without people to manage.


  • Operating voltage: 3.3V~5V.
  • DO: Digital output interface(0 and 1).
  • AO: Analog output interface.
  • Adjustment: shown in blue potentiometer.
  • Dual output mode,analog output more accurate.
  • Fixing: 2 hole for easy installation.
  • Indicator: Switching output indicator green.
  • Using IC: LM393 comparator chip.


  • Panel PCB Dimension: 3cm x 1.5cm.
  • Soil Probe Dimension: 6cm x 2cm.
  • Cable Length: 21cm.


  • Soil moisture module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil.
  • Module to reach the threshold value is set in the soil moisture, DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low.
  • The digital output D0 can be connected directly with the microcontroller to detect high and low by the microcontroller to detect soil moisture.
  • The digital outputs DO shop relay module can directly drive the buzzer module, which can form a soil moisture alarm equipment.
  • Analog output AO and AD module connected through the AD converter, you can get more precise values of soil moisture.
SKU: 56 Category:

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