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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 .

   2 adjustable sensitivity ( shown in blue digital potentiometer adjustment )

4 Operating Voltage 3.3V-5V

5 Module Dual Output mode , a simple digital output , analog output more accurate.

6 with fixed bolt hole for easy installation

7 small PCB board size : 3cm * 1.6cm

8 power indicator ( red ) and the digital switch output indicator ( green )

9 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


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