You can use an I2C SD Card Module: http://www.technoblogy.com/show?3Y2L http://www.technoblogy.com/show?3Y2L or use zlib to compress text data: https://docs.mi

You can use an I2C SD Card Module: http://www.technoblogy.com/show?3Y2L http://www.technoblogy.com/show?3Y2L or use zlib to compress text data: https://docs.micropython.org/en/latest/library/zlib.html https://docs.micropython.org/en/latest/library/zlib.html