The Universal SD + MicroSD cards high-speed module is a simple solution for transferring data to and from an SD or MicroSD card. The pinout is directly compatible with Arduino, but can also be used with other microcontrollers. It allows you to add mass storage and data logging to your project.
NOTE: Limit for card 2Gb (library limit). Can use for 5V or 3.3V.
EEPROM Data Module - AT24C256
This I2C EEPROM module is your best choice if you want to use a module for storage of data in your projects. The module is based on the EEPROM chip AT24C256, which has 2..