Luc Paquin
Published © CC BY

Project #15: Environment – Crowtail Moisture Sensor – Mk22

Project #15: Environment – Crowtail Moisture Sensor – Mk22

BeginnerFull instructions provided1 hour49
Project #15: Environment – Crowtail Moisture Sensor – Mk22

Things used in this project

Hardware components

Elecrow Crowduino Uno - SD
×1
Elecrow Crowtail - Base Shield
×1
Elecrow Crowtail - Moisture Sensor 2.0
×1
Elecrow Crowtail - I2C LCD
×1
Elecrow Crowtail - LED(Green)
×1
Elecrow Crowtail - LED(Yellow)
×1
USB Battery Pack
×1
SparkFun USB Mini-B Cable - 6 Foot
SparkFun USB Mini-B Cable - 6 Foot
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

Read more

Schematics

Fritzing

Code

DL2501Mk02p.ino

Arduino
/****** Don Luc Electronics © ******
Software Version Information
Project #15: Environment – Crowtail Moisture Sensor – Mk22
15-22
DL2501Mk02p.ino
DL2501Mk02
1 x Crowduino Uno - SD
1 x Crowtail - Base Shield
1 x Crowtail - Moisture Sensor 2.0
1 x Crowtail - I2C LCD
1 x Crowtail - LED(Green)
1 x Crowtail - LED(Yellow)
1 x USB Battery Pack
1 x USB Mini-B Cable
*/

// Include the Library Code
// Wire
#include <Wire.h>
// Liquid Crystal
#include "LiquidCrystal.h"

// Liquid Crystal
// Connect via i2c
LiquidCrystal lcd(0);

// Crowtail Moisture Sensor
int iSoilMoisture = A0;
int iSoilMoistureVal = 0;
// Change Your Threshold Here
int Threshold = 300;

// LED Yellow
int iLEDYellow = 7;

// LED Green
int iLEDGreen = 6;

// Software Version Information
String sver = "15-22";

void loop() {

  // Crowtail Moisture Sensor
  isSoilMoisture();

  // Delay 1 Second
  delay( 1000 );

}

getDisplay.ino

Arduino
// getDisplay
// Crowbits - OLED 128X64 UID
void isDisplayUID(){

  // Set up the LCD's number of rows and columns: 
  lcd.begin(16, 2);
  // Print a message to the LCD.
  // Cursor
  lcd.setCursor(0, 0);
  lcd.print("Don Luc Electron");
  // Cursor
  lcd.setCursor(0, 1);
  // Print a message to the LCD.
  lcd.print( sver );

}
// isDisplay Green
void isDisplayG(){

  // Print a message to the LCD
  // Clear
  lcd.clear();
  // Cursor
  lcd.setCursor(0, 0);
  lcd.print("Humid Soil");
  // Cursor
  lcd.setCursor(0, 1);
  // Print a message to the LCD
  lcd.print( iSoilMoistureVal );
  
}
// isDisplay Yellow
void isDisplayY(){

  // Print a message to the LCD
  // Clear
  lcd.clear();
  // Cursor
  lcd.setCursor(0, 0);
  lcd.print("Dry Soil");
  // Cursor
  lcd.setCursor(0, 1);
  // Print a message to the LCD
  lcd.print( iSoilMoistureVal );
  
}

getSoilMoisture.ino

Arduino
// Crowtail Moisture Sensor
// Soil Moisture
void isSoilMoisture(){

  // Connect Soil Moisture Sensor to Analog 0
  // iSoilMoistureVal => 0~700 Soil Moisture
  iSoilMoistureVal = analogRead( iSoilMoisture );

  // Threshold
  if (iSoilMoistureVal > Threshold) {

    // 300~700 - Humid Soil
    // LED Yellow
    digitalWrite(iLEDYellow, LOW);
    // Display Green
    isDisplayG();
    // LED Green
    digitalWrite(iLEDGreen, HIGH);
    
  }
  else {
    
    // 0-300 Dry Soil
    // LED Green
    digitalWrite(iLEDGreen, LOW);
    // Display Yellow
    isDisplayY();
    digitalWrite(iLEDYellow, HIGH);
    
  }

}

setup.ino

Arduino
void setup()
{
 
  // Delay
  delay(100);

  // Initialize the LED iLED Yellow
  pinMode(iLEDYellow, OUTPUT);

  // Initialize the LED LED Green
  pinMode(iLEDGreen, OUTPUT);

  // Display UID
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}

Credits

Luc Paquin
45 projects • 4 followers
Teacher, Instructor, E-Mentor, R&D and Consulting -Programming Language -Microcontrollers -IoT -Robotics -Machine Learning -AI -Sensors

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