SD Expansion Board

SDexp is an expansion board that connect directly to uALFAT-USB to give user USB memory and SD card together. Also, SDexp can be used as a breakout board for SD and MMC cards. The board has resistors to allow 5V systems to access SD and MMC cards safely.

We provide the source codes to read/write/erase sectors on SD or MMC cards for NON-COMMERCIAL use ONLY. The commercial licence is only 49 USD