Microchip 24CSM01 memory library for save, read data and much more. This library work with the chip Microchip 24CSM01 - 1-Mbit, 3.4MHz I2C Serial EEPROM with 128-Bit Serial Number and Enhanced Software Write Protection. Chip datasheet: https://ww1.microchip.com/downloads/aemDocuments/documents/MPD/ProductDocuments/DataSheets/24CSM01-1-Mbit-3.4MHz-I2C-Serial-EEPROM-DS20006781.pdf
Ready to use. Please immediately report bug if you find one.
For this library I got ispiration from this work: Magnin, J. (2025). 24CSM01 Library for Arduino (Version 0.9.0) [Computer software]. https://github.com/jerry-magnin/Mem24CSM01