The instructions are for an arduino pro micro, it should work on any arduino using an atmega32u4 chip such as the leonardo. Simply upload Duckduino-microSD to your arduino, forma your microSD to FAT32 ...
Arduino UNO Micro SD Data Logger A serial communication channel was set as UART and the data received from this channel was written to the SD card as a text file with Arduino UNO and Micro SD card ...