#include <ArduinoJson.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include <DHT.h>
int freq = 2000;
int channel = 0;
int resolution = 8;
const int  red = 25;
const int  green = 26; 
const int  blue = 27;
#define TFT_DC 2
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define DHTPIN1 17   
#define DHTPIN2 16
#define DHTPIN3 0
#define DHTPIN4 5
#define DHTPIN5 12
#define DHTTYPE DHT22  
DHT dht1(DHTPIN1, DHTTYPE);
DHT dht2(DHTPIN2, DHTTYPE);
DHT dht3(DHTPIN3, DHTTYPE);
DHT dht4(DHTPIN4, DHTTYPE);
DHT dht5(DHTPIN5, DHTTYPE);
void setup() {
  Serial.begin(115200);
  ledcSetup(channel, freq, resolution);
  ledcAttachPin(22, channel);
  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);
  tft.begin();
  tft.setRotation(1);
  tft.fillScreen(ILI9341_WHITE);
  tft.setCursor(0, 0);
 tft.setTextColor(ILI9341_RED);
  tft.setTextSize(2);
  tft.println("");
  tft.println("");
  tft.println("         fire alarm");
  tft.setTextColor(ILI9341_RED );
  tft.setTextSize(2);
  tft.print("      ssmiet       ");
  tft.print("                   ");
  tft.print("                   ");
  tft.print("                   ");
  tft.setTextColor(ILI9341_BLUE  );
  tft.setTextSize(2);
  tft.print("     ece 2nd year  ");
  tft.print("                   ");
  tft.print("                   ");
  tft.print("                   ");
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(2);
  tft.print("          diso      ");
  delay(1000);
  }
void loop() {
    tft.setCursor(0, 0);
   float h1 = dht1.readHumidity();
  float t1= dht1.readTemperature();
  float f1 = dht1.readTemperature(true);
   if (isnan(h1) || isnan(t1) || isnan(f1)) 
  
 float hif1 = dht1.computeHeatIndex(f1, h1);
  float hic1 = dht1.computeHeatIndex(t1, h1, false);  
     float h2 = dht2.readHumidity();
  float t2 = dht2.readTemperature();
  float f2 = dht2.readTemperature(true);
   if (isnan(h2) || isnan(t2) || isnan(f2)) 
  
 float hif2 = dht2.computeHeatIndex(f2, h2);
  float hic2= dht2.computeHeatIndex(t2, h2, false); 
     float h3 = dht3.readHumidity();
  float t3 = dht3.readTemperature();
  float f3 = dht3.readTemperature(true);
   if (isnan(h3) || isnan(t3) || isnan(f3)) 
  
 float hif3 = dht3.computeHeatIndex(f3, h3);
  float hic3 = dht3.computeHeatIndex(t3, h3, false); 
     float h4 = dht4.readHumidity();
  float t4 = dht4.readTemperature();
  float f4 = dht4.readTemperature(true);
   if (isnan(h4) || isnan(t4) || isnan(f4)) 
  
 float hif4 = dht4.computeHeatIndex(f4, h4);
  float hic4 = dht4.computeHeatIndex(t4, h4, false); 
     float h5 = dht5.readHumidity();
  float t5 = dht5.readTemperature();
  float f5 = dht5.readTemperature(true);
   if (isnan(h5) || isnan(t5) || isnan(f5)) 
  
 float hif5 = dht5.computeHeatIndex(f5, h5);
  float hic5 = dht5.computeHeatIndex(t5, h5, false); 
  if((t1<25)&&(t2<25)&&(t3<25)&&(t4<25)&&(t5<25))
  {
    tft.fillScreen(ILI9341_WHITE);
    tft.setTextColor(ILI9341_BLUE);
    tft.setTextSize(4);
    tft.setCursor(0,0);
    tft.println("      Temperature is Normal");
    digitalWrite(blue, LOW);
    digitalWrite(red, LOW);
    digitalWrite(green, HIGH);
    delay(10000);

  }
  if(((t1>25)&&(t2>25)&&(t3>25)&&(t4>25)&&(t5>25))&&((t1<40)&&(t2<40)&&(t3<40)&&(t4<40)&&t5<40)){
    tft.fillScreen(ILI9341_WHITE);
    tft.setTextColor(ILI9341_GREEN);
    tft.setTextSize(4);
    tft.setCursor(0,0);
    tft.println("        Tempertaure is Moderate");
    digitalWrite(blue, HIGH);
    digitalWrite(red, LOW);
    digitalWrite(green, LOW);
    delay(10000);

  }
  if(t1>40||t2>40||t3>40||t4>40||t5>40){
    for (int dutyCycle = 0; dutyCycle <= 255; dutyCycle=dutyCycle+10){
  
    Serial.println(dutyCycle);
  
    ledcWrite(channel, dutyCycle);
    tft.fillScreen(ILI9341_WHITE);
    tft.setTextColor(ILI9341_RED);
    tft.setTextSize(4);
    tft.setCursor(0,0);
    tft.println("         Fire Detected");
    digitalWrite(blue, LOW);
    digitalWrite(red, HIGH);
    digitalWrite(green, LOW);
    delay(1000);
}

  }
}