Adafruit Assembled Data Logging Shield (Arduino Compatible)

Key Features: On board Real time clock (RTC) keeps the time going even when the Arduino is unplugged. The battery will last for years. Adafruit libraries and example code for both SD and RTC mean you can get going quickly Prototyping area for soldering connectors, circuitry or sensors Works with Arduino UNO, Duemilanove, Diecimila, Leonardo or ADK/Mega R3 or higher.  Here's a handy Arduino shield: a lot of people are looking for a dedicated and well-designed data logging shield. Adafruit worked hard to engineer an inexpensive but well-rounded design. Not only is it easy to assemble and customize, it also comes with great documentation and libraries.The latest version of this popular shield has all the features of the popular original, and is "R3" compatible so you can use it with just about any Arduino or compatible. 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 analys