34. EEPROM Programming- Arduino

Question.4

Shantanu needs to change all the configuration settings in EEPROM, to update all the settings in EEPROM, he needs to ensure first to clear EEPROM to avoid any issues

How can he clear the entire EEPROM in an Arduino?

EEPROM.clear();
EEPROM.eraseAll();
EEPROM.writeAll(0);
for (int i = 0; i < EEPROM.length(); i++) EEPROM.write(i, 0);