Ks0108 keyestudio EASY plug Soil Humidity Sensor

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Keyestudio EASY plug Soil Moisture Sensor

Introduction

The EASY Plug soil moisture sensor can read the amount of moisture present in the soil surrounding it. It's an ideal for monitoring an urban garden, or your pet plant's water level.
This soil moisture sensor uses the two probes to pass current through the soil, and then it reads that resistance to get the moisture level.
More water makes the soil conduct electricity more easily (less resistance), while dry soil conducts electricity poorly (more resistance).
If you use this sensor to make an automatic watering device, it will be helpful to remind you to water your indoor plants or to monitor the soil moisture in your garden.
This module should be used together with EASY plug control board.

Special Note:
The sensor/module is equipped with the RJ11 6P6C interface, compatible with our keyestudio EASY plug Control Board with RJ11 6P6C interface.
If you have the control board of other brands, it is also equipped with the RJ11 6P6C interface but has different internal line sequence, can’t be used compatibly with our sensor/module.


Features

  • Connector: Easy plug
  • Power Supply: 3.3V or 5V
  • Working Current: ≤ 20mA
  • Output Voltage: 0-2.3V
  • Sensor type: Analog output
  • Surface finish: immersion tin


Technical Details

  • Dimensions: 66mm*20mm*18mm
  • Weight: 4.8g


Connect It Up

Connect the EASY Plug soil sensor to control board using an RJ11 cable. Then connect the control board to your PC with a USB cable.
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Upload the Code

Below is an example code. Open or drag below code to Mixly Blocks and upload.

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What You Should See


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Done uploading the code, open the serial monitor and set the baud rate to 9600, you can see the analog value is 0.
When place the two probes of moisture sensor into your plant soil, you can see the value change.
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Adding OLED Display

If you want to display the soil moisture value more convenient, you can add OLED screen.

Hookup Guide

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Test Code

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What You Should See
Upload success, you should see the soil value is showed on the OLED screen.
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Resources

Download the Arduino Code and PDF:
https://drive.google.com/open?id=15I6uxUHjhDBJC5ucm31k-6WlNkbl1-vR

Download the Mixly Code and PDF:
https://drive.google.com/open?id=1xJhRAyGBmAlSWcxiw3sLXDK6IA13ilcj



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