#include <EEPROM.h>
#define LED 6
#define BUTTON 2
void setup() {
  pinMode(LED, OUTPUT);
  pinMode(BUTTON, INPUT_PULLUP);
  digitalWrite(LED, EEPROM.read(2));
}
void loop()
{
  if (digitalRead(BUTTON) == LOW) {
    while (digitalRead(BUTTON) == LOW) {

    }
    digitalWrite(LED, !digitalRead(LED));
    EEPROM.write(2,digitalRead(LED));

  }

}