#include <LiquidCrystal_I2C.h>
#include<string.h>
LiquidCrystal_I2C lcd(0x27,20,4);
int bulb=4;
int fan=3;
void setup()
{
lcd.init();
lcd.backlight();
pinMode(bulb,OUTPUT);
pinMode(fan,OUTPUT);
Serial.begin(9600);
while(!Serial);
lcd.print(" Home Automation ");
lcd.setCursor(0,1);
lcd.print(" Using PC ");
delay(3000);
lcd.clear();
lcd.print("Keywords For ");
lcd.setCursor(0,1);
lcd.print("Controlling");
delay(1000);
lcd.clear();
lcd.print("1. BULB ON");
lcd.setCursor(0,1);
lcd.print("0. BULB OFF");
delay(1000);
lcd.clear();
lcd.print("2. FAN ON");
lcd.setCursor(0,1);
lcd.print("3. FAN OFF");
delay(1000);
lcd.clear();
}
void loop()
{
if(Serial.available())
{
char ch=Serial.read();
if(ch =='1' || ch =='1')
{
digitalWrite(bulb,HIGH);
Serial.println("The bulb is ON");
lcd.print("Bulb Turned On");
delay(3000);
lcd.clear();
}
if(ch =='0' || ch =='0')
{
digitalWrite(bulb,LOW);
Serial.println("The bulb is OFF");
lcd.print("Bulb Turned OFF");
delay(1000);
lcd.clear();
}
if(ch =='2' || ch =='2')
{
digitalWrite(fan,HIGH);
Serial.println("The fan is ON");
lcd.print("fan Turned On");
delay(1000);
lcd.clear();
}
if(ch =='3' || ch =='3')
{
digitalWrite(fan,LOW);
Serial.println("The fan is OFF");
lcd.print("fan Turned OFF");
delay(1000);
lcd.clear();
}}
lcd.setCursor(0,0);
lcd.print("PUT YOUR CHOICE");
lcd.setCursor(0,1);
lcd.print(" 0,1,2 and 3 ");
delay(1000);
lcd.clear();
}