Code.txt

#include <LiquidCrystal.h>
LiquidCrystal lcd (12,11,10,4,3,2);

float x,y,z,temp;
void setup()
{
  lcd.begin(16,2);
  lcd.setCursor(0,0);
  lcd.print("Home Automation System");
  delay(3000);
  lcd.clear();
  pinMode(8, INPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(A5, INPUT); 
  pinMode(A4, INPUT);
Serial.begin(9600);
}
void loop()
{
  x= digitalRead(8);
  y= analogRead(A5);
  z= analogRead(A4);
  Serial.println(x);
  Serial.println(y);
  Serial.println(z);
  temp = (double)z / 1024;       
  temp = temp * 5;                 
  temp = temp - 0.5;               
  temp = temp * 100;               
  if ( (x>0) )
  {
    if ((y<550)&&(temp>30))
    {
      lcd.setCursor(0,0);
      lcd.print("Movement");
      lcd.setCursor(0,2);
      lcd.print("Detected");
      delay(1000);
      lcd.clear();
      digitalWrite(5, HIGH);
      lcd.setCursor(0,0);
      lcd.print("Bulb is ON");
      delay(1000);
      lcd.clear();
      digitalWrite(5, HIGH);
      digitalWrite(6, HIGH);
      lcd.setCursor(0,0);
      lcd.print("Fan Started");
      delay(1000);
      lcd.clear();
      digitalWrite(6, HIGH);
      
    }
    else if((y<550)&&(temp<30))
    {
      
      lcd.setCursor(0,0);
      lcd.print("Movement");
      lcd.setCursor(0,2);
      lcd.print("Detected");
      delay(1000);
      lcd.clear();
      lcd.setCursor(0,0);
      digitalWrite(5, HIGH);
      lcd.print("Only Bulb is ON");
      delay(1000);
      lcd.clear();
      digitalWrite(5, HIGH);
      digitalWrite(6, LOW);
    }
    else if((y>550)&&(temp>30))
    {
      lcd.setCursor(0,0);
      lcd.print("Movement");
      lcd.setCursor(0,2);
      lcd.print("Detected");
      delay(1000);
      lcd.clear();
      digitalWrite(5, LOW);
      digitalWrite(6, HIGH);
      lcd.setCursor(0,0);
      lcd.print("Only Fan Started");
      delay(1000);
      lcd.clear();
      digitalWrite(6, HIGH);
    }
    else if((y>550)&&(temp<30))
    {
      lcd.setCursor(0,0);
      lcd.print("Movement");
      lcd.setCursor(0,2);
      lcd.print("Detected");
      delay(1500);
      lcd.clear();
      digitalWrite(5, LOW);
      lcd.setCursor(0,0);
      lcd.print("Light Detected");
      lcd.setCursor(0,2);
      lcd.print("Bulb is Off");
      delay(3000);
      lcd.clear();
      digitalWrite(5, LOW);
      digitalWrite(6, LOW);
      lcd.setCursor(0,0);
      lcd.print("Temp is Low");
      lcd.setCursor(0,2);
      lcd.print("Fan is Off");
      delay(3000);
      lcd.clear();
      digitalWrite(6, LOW);
    }
  }
  else
  {
    lcd.setCursor(0,0);
    lcd.print("No Movement");
    lcd.setCursor(0,2);
    lcd.print("Detected");
    delay(1500);
    lcd.clear();
    digitalWrite(5, LOW);
    digitalWrite(6, LOW);
  }
}