Smart Electronics Soil Moisture Hygrometer Detection Humidity Sensor Module For arduino Development Board DIY Robot Smart Car. M.(6*1)

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Electronic block arduino Soil Moisture Sensor Interface specifications:

  • VCC: External 3.3 V to 5 V
  • GND: External GND
  • DO: Digital output interface (0 and 1)
  • AO: Analog output interface(this interface is generally not do application).


  • This is a simple and easy moisture sensor can be used for the detection of soil moisturewhen soil water shortagethe module outputs a high levelwhereas the output low level. Using the sensor produces a watering device automaticallylet you don't choose and employ persons to manage the plants in the garden.
  • The sensitivity is adjustable digital potentiometer to adjust (blue).
  • The working voltage of 3.3 V to 5 V.
  • Simple digital outputg + v directly by single chip microcomputer.
  • A fixed bolt holeconvenient installation.
  • Control panel PCB size: 3 cm * 1.6 cm soil probe size: 6 cm * 2 cm.
  • The power indicator light (red) and digital switch output indicator light (green).
  • The comparator USES the LM393 chipswork stability.