Adds the possibility to read and write files to a micro SD card.

• micro-SD card socket connected in SPI mode.
• 1-wire memory for automatic expansion deck detection
• Designed for mounting above or under the Crazyflie 2.0
• Mechanical specification:
  • Weight: 1.7g
  • Size (WxHxD): 21x28x4mm

micro-SD expansion deck schematic

We use FatFS as the file system handler. Have a look at the API and examples on the FatFS site fore usage information.