The card reader has slots for both Micro SD/SDXC and full-sized SD/SDXC cards. Using the card reader is as simple as inserting it into one of your spare USB ports. It requires no new drivers ...

[Rodot] wrote in to tell us about the Gamebuino, a very nicely designed and easily reproducible version of his handheld Arduino gaming ... lithium battery, a micro SD card, and I2C expansion ...