#include "EEPROM.h"
#define EEPROM_SIZE 4
void setup() {
 Serial.begin(115200);
 if (!EEPROM.begin(EEPROM_SIZE)) {
 Serial.println("Failed init EEPROM");
 delay(1000);
 ESP.restart();
 }
 Serial.println("Success init EEPROM");
 EEPROM.writeUChar(0, 1);
 EEPROM.commit();
 EEPROM.writeUChar(1, 100);
 EEPROM.commit();
 EEPROM.writeUChar(2, 200);
 EEPROM.commit();
 EEPROM.writeUChar(3, 255);
 EEPROM.commit(); 
 Serial.println("Write EEPROM Complete");
}
void loop() {
// Nothing
}