IR Controlled Home Appliances With Saving Previous State

//if any problem feel free to contact me Instagram: https://bit.lyinstaakshay
//Akshay Joseph
#include <IRremote.h>
#include <EEPROM.h>
int RECV_PIN = 11;
int relay1 = 8;
int relay2 = 3;
int relay3 = 4;
int relay4 = 5;

int on4 = 0; // taking this variables for each relay 1,2,3 & 4
int on1 = 0;
int on2 = 0;
int on3 = 0;

IRrecv irrecv(RECV_PIN);
decode_results results;

void setup()
{
digitalWrite(relay4,LOW);
pinMode(relay4, OUTPUT);

digitalWrite(relay3, LOW);
pinMode(relay3, OUTPUT);

digitalWrite(relay2, LOW);
pinMode(relay2, OUTPUT);


digitalWrite(relay1, LOW);
pinMode(relay1, OUTPUT);

pinMode(13, HIGH);

    if(EEPROM.read(1)==1)
   {    
    
        on1=1;    
        digitalWrite(relay1,on1);
   }
       if(EEPROM.read(2)==1)
   {    
        on2=1;    
        digitalWrite(relay2,on1);
   }
       if(EEPROM.read(3)==1)
   {    
        on3=1;    
        digitalWrite(relay3,on1);
   }
       if(EEPROM.read(4)==1)
   {    
        on4=1;    
        digitalWrite(relay4,on4);
   }



irrecv.enableIRIn(); // Start the receiver
Serial.begin(9600);
}


unsigned long last = millis();

void loop() {
if (irrecv.decode(&results))
{
if (results.value == 33454215)
{ // Remote Control Power Code
// If it's been at least 1/4 second since the last
// IR received, toggle the relay
if (millis() - last > 250) 
{
on1 = !on1;
digitalWrite(relay1, on1 ? HIGH : LOW);
EEPROM.write(1,on1);
}
last = millis();
} 
//EXTRA CODE FROM HERE FOR TESTING WITH OTHER REMOTE CONTROLS

if (irrecv.decode(&results))
{
if (results.value == 0x61D640DF) //paste your value here
{ // Remote Control Power Code
// If it's been at least 1/4 second since the last
// IR received, toggle the relay
if (millis() - last > 250) 
{
on1 = !on1;
digitalWrite(relay1, on1 ? HIGH : LOW);
EEPROM.write(1,on1);
}
last = millis();
} 

//EXTRA CODE UPTO HERE FOR TESTING WITH OTHER REMOTE CONTROLS



else if (results.value == 0x61D640BF) //paste your value here
{
if (millis() - last > 250) 
{
on2 = !on2;
digitalWrite(relay2, on2 ? HIGH : LOW);
EEPROM.write(2,on2);
}
last = millis();
}


else if (results.value == 0x40BD28D7 ) //paste your value here
{
if (millis() - last > 250) 
{
on1 = !on1;
digitalWrite(relay1, on1 ? HIGH : LOW);
EEPROM.write(1,on1);
}
last = millis();




}


else if (results.value == 0x61D6609F) 
{
if (millis() - last > 250) 
{
on4 = !on4;
digitalWrite(relay4, on4 ? HIGH : LOW);
EEPROM.write(4,on4);
}
last = millis();

}
Serial.print(results.value);
Serial.print('\n');
irrecv.resume(); // Receive the next value
}
}}
//if any problem feel free to contact me Instagram: https://bit.lyinstaakshay