Luc Paquin
Published © CC BY-NC

Project #15: Environment - SD Card Module - Mk37

Project #15: Environment - SD Card Module - Mk37

IntermediateFull instructions provided1 hour12
Project #15: Environment - SD Card Module - Mk37

Things used in this project

Hardware components

DFRobot FireBeetle 2 ESP32-E
×1
DFRobot Fermion: 3.5” 480x320 TFT LCD Capacitive
×1
DFRobot GDL Line 10 CM
×1
DFRobot Fermion: MicroSD Card Module
×1
Elecrow Crowtail - Buzzer 2.0
×1
DFRobot Gravity: AHT20 Temperature and Humidity Sensor
×1
Flame Sensor
×1
Elecrow Crowtail - LED Green
×1
DFRobot Gravity: IO Shield for FireBeetle 2
×1
DFRobot Terminal Block Board for FireBeetle 2 ESP32-E IoT
×1
DFRobot Lithium Ion Battery - 1000mAh
×1
DFRobot USB 3.0 to Type-C Cable
×1

Software apps and online services

Arduino IDE
Arduino IDE

Story

Read more

Schematics

Fritzing

Code

DL2603Mk02p.ino

Arduino
/****** Don Luc Electronics © ******
Software Version Information
Project #15: Environment - SD Card Module - Mk37
15-37
DL2603Mk02p.ino
DL2603Mk02
1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: 3.5” 480x320 TFT LCD Capacitive
1 x GDL Line 10 CM
1 x Fermion: MicroSD Card Module
1 x MicroSD 2 GB
1 x Crowtail - Buzzer 2.0
1 x Gravity: AHT20 Temperature and Humidity Sensor
1 x Flame Sensor
1 x Crowtail - LED Green
1 x Gravity: IO Shield for FireBeetle 2
1 x Terminal Block Board for FireBeetle 2 ESP32-E IoT
1 x Lithium Ion Battery - 1000mAh
1 x Micro USB Cable
*/

// Include the Library Code
// EEPROM Library to Read and Write EEPROM with Unique ID for Unit
#include "EEPROM.h"
// DFRobot Display GDL API
#include <DFRobot_GDL.h>
// AHT20 Humidity and Temperature Sensor
#include <DFRobot_AHT20.h>
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"

// MicroSD Card
const int chipSelect = D6;
String zzzzzz = "";

// Buzzer
int iBuzzer = D10;

// AHT20 Humidity and Temperature Sensor
DFRobot_AHT20 aht20;
// AHT20 Humidity and Temperature Sensor
float h = 0;
float t = 0;

// Flame Sensor
// LED Green
int iLEDG = D11;
// Flame Sensor
int iFlame =  A0;
String sF = "";

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

/*dc=*/ /*cs=*/ /*rst=*/
// DFRobot Display 320x480
DFRobot_ILI9488_320x480_HW_SPI screen(TFT_DC, TFT_CS, TFT_RST);

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

// Software Version Information
String sver = "15-37";

void loop() {
  
  // AHT20 Humidity and Temperature Sensor
  isHT();
  
  // Flame Sensor
  isFlame();

  // isDisplay HT
  isDisplayHT();

  // Delay 0.1 Second
  delay( 100 );

}

getDisplay.ino

Arduino
// DFRobot Display 320x480
// DFRobot Display 320x480 - UID
void isDisplayUID(){

  // DFRobot Display 320x480
  // 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 Sans Bold 12pt
  screen.setFont(&FreeSansBold12pt7b);
  // TextSize => 1.5
  screen.setTextSize(1.5);
  // Don Luc Electronics
  screen.setCursor(0, 30);
  screen.println("Don Luc Electronics");
  // Tilt Switch
  screen.setCursor(0, 60);
  screen.println("MicroSD Card");
  // 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 );

}
// isDisplay HT
void isDisplayHT(){

  // DFRobot Display 320x480
  // Text Display
  // Text Wrap
  screen.setTextWrap(false);
  // Rotation
  screen.setRotation(3);
  // Fill Screen => white
  screen.fillScreen(0xffff);
  // Text Color => blue
  screen.setTextColor(0x001F);
  // Font => Free Sans Bold 12pt
  screen.setFont(&FreeSansBold12pt7b);
  // TextSize => 1.5
  screen.setTextSize(1.5);
  // Tilt Switch
  screen.setCursor(0, 30);
  screen.println("MicroSD Card");
  screen.setCursor(0, 70);
  screen.println( sF );
  screen.setCursor(0, 120);
  screen.println("Humidity");
  screen.setCursor(0, 150);
  screen.print( h );
  screen.setCursor(65, 150);
  screen.println( "%RH" );
  screen.setCursor(0, 200);
  screen.println("Temperature");
  screen.setCursor(0, 230);
  screen.print( t );
  screen.setCursor(65, 230);
  screen.println( "C" );

}

getEEPROM.ino

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

getFlame.ino

Arduino
// Flame Sensor
// is Tilt
void isFlame(){

  // Flame
  // Check if Flame Sensor
  if(digitalRead( iFlame) == 0 ){   
    
    // Turn LED HIGH
    digitalWrite(iLEDG, HIGH);
    sF = "Fire Detected!!!";

    // iBuzzer On
    digitalWrite(iBuzzer, HIGH);

    // MicroSD Card
    isSD();

  } 
  else {
    
    // Turn LED LOW
    digitalWrite(iLEDG, LOW);
    sF = "No Fire Detected!!!";

    // iBuzzer Off
    digitalWrite(iBuzzer, LOW);
    
  }

}

getHT.ino

Arduino
// AHT20 Humidity and Temperature Sensor
void isHT(){

  if(aht20.startMeasurementReady(true)){

    // Humidity
    h = aht20.getHumidity_RH();
  
   // Temperature
   t = aht20.getTemperature_C();
   }
  
}

getSD.ino

Arduino
// MicroSD Card
// MicroSD Setup
void isSetupSD() {

    // MicroSD Card
    pinMode( chipSelect , OUTPUT );
    if(!SD.begin( chipSelect )){
        ;  
        return;
    }
    
    uint8_t cardType = SD.cardType();

    // CARD NONE
    if(cardType == CARD_NONE){
        ; 
        return;
    }

    // SD Card Type
    if(cardType == CARD_MMC){
        ; 
    } else if(cardType == CARD_SD){
        ; 
    } else if(cardType == CARD_SDHC){
        ; 
    } else {
        ; 
    } 

    // Size
    uint64_t cardSize = SD.cardSize() / (1024 * 1024);
 
}
// MicroSD Card
void isSD() {

  zzzzzz = "";

  //DLE|EEPROM Unique ID|Version|Flame|Humidity|Temperature|*\r
  zzzzzz = "DLE|" + uid + "|" + sver + "|" + String( sF ) + "|" 
  + String( h ) + "|" + String( t ) + "|*\r";

  // msg + 1
  char msg[zzzzzz.length() + 1];

  zzzzzz.toCharArray(msg, zzzzzz.length() + 1);

  // Append File
  appendFile(SD, "/dledata.txt", msg );
  
}
// List Dir
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    
    // List Dir
    dirname;
    
    File root = fs.open(dirname);
    
    if(!root){
        return;
    }
    
    if(!root.isDirectory()){
        return;
    }

    File file = root.openNextFile();
    
    while(file){
        if(file.isDirectory()){
            file.name();
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            file.name();
            file.size();
        }
        file = root.openNextFile();
    }
    
}
// Write File
void writeFile(fs::FS &fs, const char * path, const char * message){
    
    // Write File
    path;
    
    File file = fs.open(path, FILE_WRITE);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}
// Append File
void appendFile(fs::FS &fs, const char * path, const char * message){
    
    // Append File
    path;
    
    File file = fs.open(path, FILE_APPEND);
    
    if(!file){
        return;
    }
    
    if(file.print(message)){
        ;  
    } else {
        ;  
    }
    
    file.close();
    
}

setup.ino

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

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

  // Delay
  delay( 100 );
 
  // DFRobot Display 320x480
  screen.begin();

  // Delay
  delay( 100 );
  
  // Flame Sensor
  // LED Green 
  pinMode(iLEDG, OUTPUT);
  // Flame Sensor
  pinMode(iFlame, INPUT);

  // Delay
  delay( 100 );

  // AHT20 Humidity and Temperature Sensor
  aht20.begin();
  
  // Delay
  delay( 100 );

  // iBuzzer
  pinMode(iBuzzer, OUTPUT);

  // Delay
  delay(100);

  //MicroSD Card
  isSetupSD();

  // Delay
  delay( 100 );

  // DFRobot Display 320x480 - UID
  // Don Luc Electronics
  // Version
  // EEPROM
  isDisplayUID();

  // Delay 5 Second
  delay( 5000 );

}

Credits

Luc Paquin
71 projects • 5 followers
Teacher, Instructor, E-Mentor, R&D and Consulting -Programming Language -Microcontrollers -IoT -Robotics -Machine Learning -AI -Sensors

Comments

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