Project #29 - DFRobot - MEMS Smoke - Mk26

Luc.Paquin Aug 27.2024

0 193 Medium

Project #29 - DFRobot - MEMS Smoke - Mk26

https://www.donluc.com/?p=4078

#DonLucElectronics #DonLuc #DFRobot #Smoke #CH4 #VOC #SHTC3 #FireBeetle2ESP32C6 #Display #EEPROM #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

Fermion: MEMS Smoke Gas Detection Sensor

Fermion: MEMS Smoke Gas Detection Sensor employs state-of-the-art microelectromechanical system (MEMS) technology, endowing the sensor with compact dimensions, low power consumption, minimal heat generation, short preheating time, and swift response recovery. The sensor can measure smoke concentration qualitatively and is suitable for smoke alarm and other application scenarios. Kindly remove the protective film before usage. It is advisable to preheat the module for at least 24 hours. Detection range: 10-1000 ppm.

DL2408Mk04

1 x FireBeetle 2 ESP32-C6
1 x Fermion: MEMS Smoke Gas Detection Sensor
1 x Fermion: MEMS Methane CH4 Gas Detection Sensor
1 x Fermion: MEMS VOC Gas Detection Sensor
1 x Fermion: SHTC3 Temperature and Humidity Sensor
1 x Fermion: 2.0" 320x240 IPS TFT LCD
1 x MicroSD 2 GB
1 x GDL Line 10 CM
1 x 1 x Lithium Ion Battery - 1000mAh
1 x USB 3.1 Cable A to C

FireBeetle 2 ESP32-C6

VOC - 2
CH4 - 3
SMO - 4
SCK - 23
MOSI - 22
MISO - 21
CS - 18
SCL - 20
SDA - 19
DC - 8
CS - 1
RST - 14
VIN - +3.3V
GND - GND

DL2408Mk04p.ino

CODE

/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - MEMS Smoke - Mk26
29-26
DL2408Mk04p.ino
DL2408Mk04
1 x FireBeetle 2 ESP32-C6
1 x Fermion: MEMS Smoke Gas Detection Sensor
1 x Fermion: MEMS Methane CH4 Gas Detection Sensor
1 x Fermion: MEMS VOC Gas Detection Sensor
1 x Fermion: SHTC3 Temperature and Humidity Sensor
1 x Fermion: 2.0" 320x240 IPS TFT LCD
1 x MicroSD 2 GB
1 x GDL Line 10 CM
1 x 1 x Lithium Ion Battery - 1000mAh
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"
// DFRobot Display GDL API
#include <DFRobot_GDL.h>
// Arduino
#include <Arduino.h>
// Wire
#include <Wire.h>
// SHTC3 Temperature and Humidity Sensor
#include "SHTSensor.h"
// SD Card
#include "FS.h"
#include "SD.h"
#include "SPI.h"

// MEMS Smoke Gas
int iSensorSmoke = 4;
int iSensorValueSmoke = 0;
int z = 0;

// MEMS CH4 Gas
int iSensorCH4 = 3;
int iSensorValueCH4 = 0;
int y = 0;

// MEMS VOC Gas
int iSensorVOC = 2;
int iSensorValueVOC = 0;
int x = 0;

// MicroSD Card
const int chipSelect = 18;
String zzzzzz = "";

// SHTC3 Temperature and Humidity Sensor
SHTSensor sht;
// Temperature
float T;
// Humidity
float H;

// Defined ESP32
#define TFT_DC 8
#define TFT_CS 1
#define TFT_RST 14

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

// LED Green
int iLEDGreen = 15;

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

// Software Version Information
String sver = "29-26";

void loop() {

  // MEMS Smoke Gas
  isSmoke();
  
  // MEMS CH4 Gas
  isCH4();
  
  // MEMS VOC Gas
  isVOC();
  
  // SHTC3 Temperature and Humidity Sensor
  isSHTC3();

  // DFRobot Display 240x320 - Temperature and Humidity, VOC, CH4, Smoke
  isDisplayTH();

  // MicroSD Card
  isSD();

  // Delay 5 Second
  delay( 5000 );

}

getCH4.ino

CODE

// MEMS CH4 Gas
// is CH4
void isCH4(){

  // MEMS CH4 Gas
  y = analogRead( iSensorCH4 );
  iSensorValueCH4 = map(y, 1, 4095, 1, 10000);
  
}

getDisplay.ino

CODE

// 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 - Temperature and Humidity, VOC, CH4, Smoke
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("Don Luc Electronics");
    // Version
    screen.setCursor(0, 60);
    screen.println( sver );
    // Temperature
    screen.setCursor(0, 90);
    screen.println( "Temp: " );
    screen.setCursor(60, 90);
    screen.println( T );
    screen.setCursor(130, 90);
    screen.println("Celsius");
    // Humidity
    screen.setCursor(0, 120);
    screen.println("Humi: ");
    screen.setCursor(60, 120);
    screen.println( H );
    screen.setCursor(130, 120);
    screen.println("% RH");
    // MEMS VOC Gas
    screen.setCursor(0, 150);
    screen.println( "VOC: " );
    screen.setCursor(60, 150);
    screen.println( iSensorValueVOC );
    screen.setCursor(130, 150);
    screen.println("ppm");
    // MEMS CH4 Gas
    screen.setCursor(0, 180);
    screen.println( "CH4: " );
    screen.setCursor(60, 180);
    screen.println( iSensorValueCH4 );
    screen.setCursor(130, 180);
    screen.println("ppm");
    // MEMS Smoke Gas
    screen.setCursor(0, 210);
    screen.println( "SMO: " );
    screen.setCursor(60, 210);
    screen.println( iSensorValueSmoke );
    screen.setCursor(130, 210);
    screen.println("ppm");

}

getEEPROM.ino

CODE

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

getSD.ino

CODE

// 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 = "";

  //DFR|EEPROM Unique ID|Version|
  //Temperature C|% RH|VOC|CH4|Smoke|*\r
  zzzzzz = "DFR|" + uid + "|" + sver + "|"
  + String( T ) + "|" + String( H ) + "|"
  + String( iSensorValueVOC ) + "|" + String( iSensorValueCH4 ) + "|"
  + String( iSensorValueSmoke ) + "|*\r";;

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

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

  // Append File
  appendFile(SD, "/dfrdata.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();
    
}

getSHTC3.ino

CODE

// SHTC3 Temperature and Humidity Sensor
// SHTC3
void isSHTC3(){

  // SHTC3 Temperature and Humidity Sensor
  if (sht.readSample()) {
     
     // Temperature
     T = sht.getTemperature();
     // Humidity
     H = sht.getHumidity();

  }

}

getSmoke.ino

CODE

// Smoke
// isSmoke
void isSmoke(){

  // MEMS Smoke Gas
  z = analogRead( iSensorSmoke );
  iSensorValueSmoke = map(x, 1, 4095, 1, 1000);
  
}

getVOC.ino

CODE

// MEMS VOC Gas
// is VOC
void isVOC(){

  // MEMS VOC Gas
  x = analogRead( iSensorVOC );
  iSensorValueVOC = map(x, 1, 4095, 1, 500);
  
}

setup.ino

CODE

// 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 );

  // SHTC3 Temperature and Humidity Sensor
  sht.init();
  // SHT3x
  sht.setAccuracy(SHTSensor::SHT_ACCURACY_MEDIUM);

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

  // Delay
  delay(100);

  // MicroSD Card
  isSetupSD();

  // 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 );

}

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DL2408Mk04.zip 1.18MB Download(0)

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Luc.Paquin Feb 09.2024

866 M-point

38 Makelogs