#include <LiquidCrystal.h>
#include "DHT.h"
#define DHTPIN 13
#define DHTTYPE DHT22 
DHT dht(DHTPIN, DHTTYPE); 
LiquidCrystal lcd(15,2,4,16,17,5);     //19,18,5,4,2,15
int gas,PIR;
float gas_output;
void setup()

{
pinMode(26,INPUT);
dht.begin();
lcd.begin(16, 2);
lcd.clear();
lcd.setCursor(5,0);
lcd.print("Industrial ");
lcd.setCursor(5,1);
lcd.print (" monitoring");
}

void loop()

{

delay(1000);
gas=analogRead(32);
PIR=digitalRead(26);
gas_output=((3.3/4096)*gas);
 float h = dht.readHumidity();
 float t = dht.readTemperature();
 float f = dht.readTemperature(true);
  if (isnan(h) || isnan(t) || isnan(f)) {
  lcd.clear();
   lcd.setCursor(0,0);
    lcd.print("failed to Read");
    return;
  }
  lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("T=");
    lcd.print(t);
    lcd.setCursor(8,0);
    lcd.print("H=");
    lcd.print(h);
    lcd.setCursor(0,1);
    lcd.print("GAS=");
    lcd.print(gas_output);
if(PIR==1)
{
 lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("MOTION DETECTED"); 
}
else{
lcd.clear();
   lcd.setCursor(0,0);
    lcd.print("T=");
    lcd.print(t);
    lcd.setCursor(8,0);
    lcd.print("H=");
    lcd.print(h);
    lcd.setCursor(0,1);
    lcd.print("GAS=");
    lcd.print(gas_output);    

}


}