Breakout 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 and is perfect for your next MP3 project! Board comes fully assembled and tested. Project description, more information and ordering can be found at https://www.sparkfun.com/products/544 Datasheet: ../datasheets/Prototyping/microSD_Socket.pdf Simplified SD Specification: http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Components/General/SDSpec.pdf MMC to Serial Adapter: http://homepage.ntlworld.com/seanellis/mmcserial.htm Example MMC Interface Code: http://www.microchipc.com/sourcecode/#mmc Kronos Robotics: http://www.kronosrobotics.com/Projects/MMC.shtml Adding SD to a Router: http://www.allaboutjake.com/network/linksys/wrt54g/hack/ mbed Example: http://mbed.org/cookbook/SD-Card-File-System