Arduino Shield List

Adafruit Industries Logger Shield

Shield URL: Logger Shield
Tags: storage, sd
Maker: Adafruit Industries

SD card interface works with FAT16 or FAT32 formatted cards. 3.3v level shifter circuitry prevents damage to your SD card.
Real time clock (RTC) keeps the time going even when the Arduino is unplugged.
Prototyping area for soldering connectors, circuitry or sensors.
Onboard 3.3v regulator is both a reliable reference voltage and also reliably runs SD cards that require a lot of power to run.

Open Source: Yes, OSHW-compliant
License: CC BY-SA 2.5
Source: Unknown