#include <EEPROM.h>

#define ledPin 13    
#define addr 1      

int cycle = 0;

void setup() {
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
  
  cycle = EEPROM.read(addr); 
  
  ///////////
  if (cycle == 255) {
    cycle = 0;
  }
  ///////////

  Serial.print("Setup cycle: ");
  Serial.println(cycle);

 


  for (int i = 0; i < cycle; i++) {
    digitalWrite(ledPin, HIGH);
    delay(300);
    digitalWrite(ledPin, LOW);
    delay(300);
  }
  cycle = 0;
  EEPROM.write(addr, cycle);

}

void loop() {

  digitalWrite(ledPin, HIGH);
  cycle++;
  delay(500);
  digitalWrite(ledPin, LOW);
  delay(500);

  Serial.print("LED blink cycle: ");
  Serial.println(cycle);
  EEPROM.write(addr, cycle);

}