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Project #29 - DFRobot - Soil Moisture - Mk29

Project #29 - DFRobot - Soil Moisture - Mk29

BeginnerFull instructions provided1 hour81
Project #29 - DFRobot - Soil Moisture - Mk29

Things used in this project

Hardware components

DFRobot FireBeetle 2 ESP32-C6
×1
DFRobot Fermion: 2.0" 320x240 IPS TFT LCD
×1
DFRobot GDL Line 10 CM
×1
DFRobot Gravity: Analog Soil Moisture Sensor
×1
Adafruit 3 AAA Battery Holder with On/Off Switch and 2-Pin JST
×1
SparkFun AAA Battery
×3
SparkFun Solderable Breadboard - Large
×1
DFRobot USB 3.1 Cable A to C
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

Read more

Schematics

Fritzing

Code

DL2409Mk04p.ino

Arduino
/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - Soil Moisture - Mk29
29-29
DL2409Mk04p.ino
DL2409Mk04
1 x FireBeetle 2 ESP32-C6
1 x Fermion: 2.0" 320x240 IPS TFT LCD
1 x GDL Line 10 CM
1 x Gravity: Analog Soil Moisture Sensor
1 x 3 AAA Battery Holder with On/Off Switch and 2-Pin JST
3 x AAA Battery
1 x SparkFun Solderable Breadboard - Large
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM
// with Unique ID for Unit
#include "EEPROM.h"
// Arduino
#include <Arduino.h>
// Wire
#include <Wire.h>
// DFRobot Display GDL API
#include <DFRobot_GDL.h>

// Defined ESP32
#define TFT_DC  D2
#define TFT_CS  D6
#define TFT_RST D3

/*dc=*/ /*cs=*/ /*rst=*/
// DFRobot Display 240x320
DFRobot_ST7789_240x320_HW_SPI screen(TFT_DC, TFT_CS, TFT_RST);

// Gravity: Analog Soil Moisture Sensor
int iSoilMoisture = A1;
int iSoilMoistureVal = 0;
int zz = 0;
// Change Your Threshold Here
int Threshold = 300;
String SM = "";

// LED Green
int iLEDGreen = 15;

// EEPROM Unique ID Information
#define EEPROM_SIZE 64
String uid = "";

// Software Version Information
String sver = "29-29";

void loop() {

  // Gravity: Analog Soil Moisture Sensor
  isSoilMoisture();

  // DFRobot Display 240x320 - ASM
  isDisplayTH();

  // Delay 5 Second
  delay( 5000 );

}

getDisplay.ino

Arduino
// DFRobot Display 240x320
// DFRobot Display 240x320 - UID
void isDisplayUID() {

    // DFRobot Display 240x320
    // Text Display
    // Text Wrap
    screen.setTextWrap(false);
    // Rotation
    screen.setRotation(3);
    // Fill Screen => black
    screen.fillScreen(0x0000);
    // Text Color => white
    screen.setTextColor(0xffff);
    // Font => Free Mono 9pt
    screen.setFont(&FreeMono9pt7b);
    // TextSize => 1.5
    screen.setTextSize(1.5);
    // DFRobot Display
    screen.setCursor(0, 30);
    screen.println("DFRobot Display");
    // Don Luc Electronics
    screen.setCursor(0, 60);
    screen.println("Don Luc Electronics");
    // Version
    screen.setCursor(0, 90);
    screen.println("Version");
    screen.setCursor(0, 120);
    screen.println( sver );
    // EEPROM
    screen.setCursor(0, 150);
    screen.println("EEPROM");
    screen.setCursor(0, 180);
    screen.println( uid );

}
// DFRobot Display 240x320 - ASM
void isDisplayTH() {
  
    // DFRobot Display 240x320
    // Text Display
    // Text Wrap
    screen.setTextWrap(false);
    // Rotation
    screen.setRotation(3);
    // Fill Screen => black
    screen.fillScreen(0x0000);
    // Text Color => white
    screen.setTextColor(0xffff);
    // Font => Free Mono 9pt
    screen.setFont(&FreeMono9pt7b);
    // TextSize => 1.5
    screen.setTextSize(1.5);
    // Don Luc Electronics
    screen.setCursor(0, 30);
    screen.println("Soil Moisture Sensor");
    // Gravity: Analog Soil Moisture Sensor
    screen.setCursor(0, 60);
    screen.println( "ASM: " );
    screen.setCursor(60, 60);
    screen.println( iSoilMoistureVal );
    screen.setCursor(0, 90);
    screen.println( SM );

}

getEEPROM.ino

Arduino
// EEPROM
// isUID EEPROM Unique ID
void isUID() {
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getSoilMoisture.ino

Arduino
// Gravity: Analog Soil Moisture Sensor
// Soil Moisture
void isSoilMoisture(){

  // Connect Soil Moisture Sensor to Analog 0
  zz = analogRead( iSoilMoisture );

  // iSoilMoistureVal => 0~900 Soil Moisture
  iSoilMoistureVal = map( zz, 0, 4095, 0, 900);

  // Threshold
  if (iSoilMoistureVal > Threshold)

    // 300~950 - Humid Soil
    SM = "Humid Soil";
    
  else {
    
    // 0-300 Dry Soil
    SM = "Dry Soil";

  }

}

setup.ino

Arduino
// Setup
void setup()
{
  
  // Give display time to power on
  delay(100);

  // EEPROM Size
  EEPROM.begin(EEPROM_SIZE);
  
  // EEPROM Unique ID
  isUID();
  
  // Delay
  delay( 100 );

  // Wire
  Wire.begin();

  // Delay
  delay( 100 );
  
  // DFRobot Display 240x320
  screen.begin();

  // Delay
  delay(100);

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

  // iLEDGreen HIGH
  digitalWrite(iLEDGreen, HIGH );

  // DFRobot Display 240x320 - UID
  // Don Luc Electronics
  // Version
  // EEPROM
  isDisplayUID();

  // Delay 5 Second
  delay( 5000 );

}

Credits

NeoSteamLabs
40 projects • 15 followers
Luc Paquin Microcontrollers, IoT, Robotics Experts https://www.donluc.com https://www.donluc.com/luc https://www.linkedin.com/in/jlucpaquin

Comments

Related channels and tags
  • Adafruit
  • DFRobot
  • Displays
  • Displays
  • Internet of Things
  • Internet of Things
  • Sensors
  • Sensors
  • SparkFun