"Dedicated shield for data logging on an SD card.
It is easy to assemble and customise and is well documented.
SD cards in FAT16 or FAT32 formats are supported, a 3.3-V level converter protects your storage medium from damage.
The integrated real-time clock module (RTC) allows correct time values even without an Arduino connected.
Compatible with Arduino UNO, Duemilanove, Diecimila, Leonardo or ADK/Mega R3 or newer.
ADK/Mega R2 and older are not supported.
FeaturesReplaceable CR1220 battery102 soldering pads (prototyping area)Reset button"