By using this shield, you can be up and running with it in less than 15 minutes - saving data to files on any FAT16 or FAT32 formatted SD card, to be read by any plotting, spreadsheet or analysis program.
The included RTC (Real Time Clock) can be used to timestamp all your data with the current time, so that you know precisely what happened when. Board has a 3.3V regulator and logic level converter to prevent damages to your SD cards. RTC uses a CR1220 type coil cell battery.