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ECMSM_Sujon_Jan22_9PM_2020

dpauld Jan 22nd, 2020 74 Never
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  1. #include <LiquidCrystal.h>
  2. #include <dht.h>
  3. #include <SPI.h>
  4. #include <SD.h>
  5.  
  6. /*---- DHT -----*/
  7. dht DHT;
  8. const int DHT11_PIN = 3; //DHT11_PIN = 12;//Changed
  9.  
  10. /*--------Display----------*/
  11. // initialize the library by associating any needed LCD interface pin
  12. // with the arduino pin number it is connected to
  13. const int rs = 5, en = 6, d4 = 7, d5 = 8, d6 = 9, d7 = 10;
  14. LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
  15.  
  16. /*----Sound Sensor-----*/
  17. #define SOUNDANALOG_PIN A0
  18. const int SOUNDDIGITAL_PIN = 1; //SOUNDDIGITAL_PIN = 11;//Changed
  19. boolean soundDigitalVal = 0;
  20. int soundAnalogVal = 0;
  21.  
  22. /*-------Dust-------*/
  23. const int DUSTANALOG_PIN = A5;
  24.  
  25. unsigned int samplingTime = 280;
  26. unsigned int deltaTime = 40;
  27. unsigned int sleepTime = 9680;
  28.  
  29. float dustVoMeasured = 0;
  30. float calcVoltage = 0;
  31. float dustDensity = 0;
  32.  
  33. /*----SD_Card-----*/
  34. /*
  35.  SD card attached to SPI bus as follows:
  36.  ** MOSI - pin 11
  37.  ** MISO - pin 12
  38.  ** CLK - pin 13
  39.  ** CS - pin 4
  40. */
  41. File sensorDataFile;
  42. const int chipSelect = 4;
  43.  
  44. int serialNum = 1;//for storing data serially in file
  45. void setup(){
  46.   Serial.begin (9600);
  47.  
  48.   pinMode(SOUNDANALOG_PIN, INPUT);
  49.   pinMode(SOUNDDIGITAL_PIN, INPUT);
  50.  
  51.   //Setup of the LCD's number of column and rows
  52.   lcd.begin(20, 4);
  53.   //Displaying welcome to the LCD
  54.   lcd.print("Welcome!");
  55.  
  56.   Serial.print("Initializing SD card...");
  57.   if(!SD.begin(chipSelect)) {
  58.     Serial.println("initialization failed!");
  59.     return;
  60.   }
  61.   Serial.println("initialization done.");
  62.   sensorDataFile = SD.open("sensorData.txt", FILE_WRITE);
  63.   if (sensorDataFile) {
  64.     Serial.println("File opened successfully");
  65.     sensorDataFile.println("SI,Temperature,Humidity,DustDensity, db");
  66.   }
  67.   sensorDataFile.close();
  68. }
  69.  
  70. void loop (){
  71.   lcd.clear();
  72.   //delayMicroseconds(samplingTime);
  73.  
  74.   /***-------------- SD-card ------------***/
  75.   sensorDataFile = SD.open("sensorData.txt", FILE_WRITE);
  76.   if (sensorDataFile){
  77.     sensorDataFile.print(serialNum);
  78.     serialNum = serialNum + 1;
  79.     sensorDataFile.print(",");
  80.   }
  81.  
  82.   /***-------- DHT11 Sensor -----------***/
  83.   int chk = DHT.read11(DHT11_PIN);
  84.   lcd.setCursor(0,0);
  85.   lcd.print("Temp: " + String(DHT.temperature) + ((char)223) + "C");
  86.   lcd.setCursor(0,1);
  87.   lcd.print("Humidity: " + String(DHT.humidity)+"%");
  88.   //Serial.println("Temp: " + String(DHT.temperature) + ((char)223) + "C");
  89.   //Serial.println("Humidity: " + String(DHT.humidity)+"%");
  90.   sensorDataFile.print(DHT.temperature);
  91.   sensorDataFile.print(",");
  92.   sensorDataFile.print(DHT.humidity);
  93.   sensorDataFile.print(",");
  94.   /*-----------------------------------*/
  95.  
  96.  
  97.   /***-------- Dust Sensor ---------***/
  98.   dustVoMeasured = analogRead(DUSTANALOG_PIN);
  99.   calcVoltage = dustVoMeasured*(5.0/1024);
  100.   dustDensity = 0.17*calcVoltage-0.1;
  101.   if ( dustDensity < 0)
  102.   {
  103.     dustDensity = 0.00;
  104.   }
  105.   lcd.setCursor(0,2);
  106.   lcd.print("Dust: "+String(dustDensity)+"ng/m3");
  107.   //Serial.println("Dust: "+String(dustDensity)+"ng/m3");
  108.   sensorDataFile.print(dustDensity);
  109.   sensorDataFile.print(",");
  110.   /*-----------------------------------*/
  111.  
  112.  
  113.   /***---------- Sound Sensor ----------***/
  114.   soundAnalogVal = analogRead(SOUNDANALOG_PIN);
  115.   soundDigitalVal = digitalRead(SOUNDDIGITAL_PIN);
  116.  
  117.   double soundAnalogValDB = 20 * log10(soundAnalogVal);
  118.   //double soundAnalogValDB = (soundAnalogVal + 83.2073 ) / 11.003;
  119.  
  120.   //Serial.println (analogVal);
  121.   //When the sensor detects a signal above the threshold value, LED flashes
  122.   if (soundDigitalVal==HIGH) {
  123.     lcd.setCursor(0,3);//set the cursor at first row
  124.     lcd.print("Sound: "+String(soundAnalogValDB)+"db" + " (High)");//Sound Intensity level
  125.     //Serial.println("Sound: "+String(soundAnalogValDB)+"db" + " (High)");
  126.     sensorDataFile.print(soundAnalogValDB);
  127.   }
  128.   else {
  129.     lcd.setCursor(0,3);//set the cursor at first row
  130.     lcd.print("Sound: "+String(soundAnalogValDB)+"db" + " (Low)");//Sound Intensity level
  131.     //Serial.println ("Sound: "+String(soundAnalogValDB)+"db" + " (Low)");
  132.     sensorDataFile.print(soundAnalogValDB);
  133.   }
  134.   /*-----------------------------------*/
  135.  
  136.   //Serial.println();
  137.   sensorDataFile.println();
  138.   sensorDataFile.close();
  139.  
  140.   delay(1000);
  141. }
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