24lc256 Arduino Library

Whenever you are using the I2C address use the full 8 bits for the address. Welcome to the real.

How To Connect A 24lc256 Eeprom To An Arduino

You can find the address for your device in its datasheet.

. The address will mostly be either 0x4E for PCF8574 or 0x7E for PCF8574A. Arduino IDE only not the mcu uses 7 bit addressing system and the rest including STM32 uses 8 bits.

How To Interface At24c256 I2c Eeprom With Arduino

How To Connect A 24lc256 Eeprom To An Arduino

24lc256 Eeprom On Arduino Kamil S Lab

How To Connect A 24lc256 Eeprom To An Arduino