Soil Moisture Level Sensor Module

RM3.90

This is a hygrometer sensor you can use with Arduino to measure the level of moisture in soil, or detect water level digitally.

Package includes

  • 1 x YL-38 LM393 sensor converter module
  • 1 x FC-28 hygrometer fork electrode
  • 2 x Female jumper wire

 

20 in stock

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SKU: SNR-MH-SOIL Category: Tags: , , , ,

Description

MH Sensor Series

A hygrometer for soil. This is an easy to use sensor module you can use to sense moisture content in soil, suitable for agricultural projects. It comes with a fork type electrode you can use to measure the electrical resistance of soil. The moisture content in soil affects its electrical conductivity, changing the resistance and therefore this can be sensed using the electrode and the sensor circuit.

Note : this sensor can works with both analog and digital mode. You can connect the analog output (AO) pin to Arduino to read the level of moisture in soil, or digital output (DO) to sense the threshold of soil moisture level. Adjust the potentiometer (a.k.a. trimmer) to set the digital output (DO) sensitivity.

Specific Features

  • Comes with fork type electrode for measuring the moisture level
  • The moisture content in soil affect the electrical resistance of soil
  • The higher the moisture level, the lower the analog reading. You’ll need to calibrate the value by yourself following your case study.

 

Common Features

  • Logical IC : LM393
  • Operating voltage : 3.3 – 5V
  • Output current : ≤15 mA
  • Adjustable sensitivity via potentiometer
  • Comes with LED indicators for POWER and OUTPUT
  • Fixed bolt holes for easy installation

 

Wiring

LabelMeaningConnection
VCCPower sourceConnect to 3.3V or 5V of system
GNDGroundConnect to GND of system
DODigital OutputConnect to any digital IO pin
AOAnalog OutputConnect to analog input pin

 

Files & Documentation

Additional information

Weight20 g
Dimensions60 × 40 × 15 mm

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