Board for the microSD socket that is not much bigger than your fingernail. Compatible with the SPI interface found on any SD card, this tiny form factor was created for cell phone storage. Board comes fully assembled and tested.

• Schematic
• Eagle Files
• Datasheet
• Simplified SD Specification
• MMC to Serial Adapter
• Example MMC Interface Code
• App note from Kronos Robotics
• Adding SD to a Router 
• mbed Example