Customer:
Does the SD card slot have a maximum size it will support? I didn’t see the info on your site.
Originally submitted via email support on 8 November 2021. Migrated to the forum for community visibility.
Soldered Support:
The SD card slot is an electrical connection between the SD card and microcontroller, providing mechanical support without memory size limitations.
The limitations depend on the library you use. The SD library can handle SD cards up to 32 GB. Another limitation is the card format, which affects the supported size of the card. For reading and writing large files, you need a microcontroller with enough memory.