The EEPROM library (https://docs.arduino.cc/learn/built-in-libraries/eeprom) has functions for reading and writing single bytes but no function for erasing. The EEPROM in the AVR microcontrollers are capable of erasing and writing single bytes and 100,000 erase/write cycles in a location is the design maximum before the EEPROM will wear out. To maintain compatibility, the EEPROM functions in …