EEPROM Arduino

In this Project, we will see about how to EEPROM in Arduino with LEDs .

Circuit Diagram:

Arduino Code:

dummy_eeprom_code.ino

#include <EEPROM.h>

void setup() {
  Serial.begin(9600);
  EEPROM.write(12,73);
  int k = EEPROM.read(12);
  Serial.println(k);
}

void loop() {

}

eeprom_led_control_code.ino

/*
 * Code written by Sdev
 * https://youtube.com/sdevelectronics
 */

#include <EEPROM.h>
#include <IRremote.h>

int load_status_1,load_status_2,load_status_3,load_status_4;

#define LED1 5
#define LED2 4
#define LED3 3
#define LED4 2

int RECV_PIN = 11;
IRrecv irrecv(RECV_PIN);
decode_results results;

void setup(){
  Serial.begin(9600);
  pinMode(LED1,OUTPUT);
  pinMode(LED2,OUTPUT);
  pinMode(LED3,OUTPUT);
  pinMode(LED4,OUTPUT);
  irrecv.enableIRIn(); // Start the receiver
  check_load_status();
}

void loop() {
  if (irrecv.decode(&results)) {
    Serial.println(results.value, HEX);

     if (results.value == 0x80BF916E) {  //red
      if(load_status_1){
        load_status_1 = 0;
        digitalWrite(LED1,load_status_1);
        EEPROM.update(0, load_status_1);
      }else{
        load_status_1 = 1;
        digitalWrite(LED1,load_status_1);
        EEPROM.update(0, load_status_1);
      }
    }
    if (results.value == 0x80BF21DE) {  //green
       if(load_status_2){
        load_status_2 = 0;
        digitalWrite(LED2,load_status_2);
        EEPROM.update(1, load_status_2);
      }else{
        load_status_2 = 1;
        digitalWrite(LED2,load_status_2);
        EEPROM.update(1, load_status_2);
      }
    }
    if (results.value == 0x80BF9B64) {  //yellow
       if(load_status_3){
        load_status_3 = 0;
        digitalWrite(LED3,load_status_3);
        EEPROM.update(2, load_status_3);
      }else{
        load_status_3 = 1;
        digitalWrite(LED3,load_status_3);
        EEPROM.update(2, load_status_3);
      }
    }
    if (results.value == 0x80BF6996) {  //blue
       if(load_status_4){
        load_status_4 = 0;
        digitalWrite(LED4,load_status_4);
        EEPROM.update(3, load_status_4);
      }else{
        load_status_4 = 1;
        digitalWrite(LED4,load_status_4);
        EEPROM.update(3, load_status_4);
      }
    }

    irrecv.resume(); // Receive the next value
  }
  delay(100);
}

void check_load_status(){
  load_status_1 = EEPROM.read(0);
  load_status_2 = EEPROM.read(1);
  load_status_3 = EEPROM.read(2);
  load_status_4 = EEPROM.read(3);

  digitalWrite(LED1,load_status_1);
  digitalWrite(LED2,load_status_2);
  digitalWrite(LED3,load_status_3);
  digitalWrite(LED4,load_status_4);
}

Youtube Video Tutorial:

https://youtu.be/zKtzTg7GhXg

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You can get the all the required files (like Circuit Diagram, Arduino.ino file, Libraries Used, and others) for the project  in ZIP format and much more...