SD Card support

• Allows backup of a large amount of data on SD card and PC retrieval
• Support SdFat library for SD FAT16/FAT32 SC/HC cards
• 3V3 regulator on the shield

Real Time Clock

• Adding date and time data based on the component I2C DS1307
• Support the standard library DS1307
• Date accessed using the format year / month / day of week / hour / minute / seconds
• Time adjustable 12h with info AM / PM or 24H
• Backup Time on lithium battery (lasting 10 years if 48mAh)
• Corrections leap years, months with less than 31 days
• SQW output signal (square wave) Programmable 1Hz (for pulse every second, or 4kHz or 8kHz or 32kHz)
• Clock not subject to bug date before 100 years

And more ...

• Square pads prototyping area to add sensors, actuators, RF, ...
• 5V and GND lines available on the sides of the prototyping area
• Arduino reset button on top
• LED display available on pin D9
• Simple modification provided for adapting the shield to an Arduino Mega

Compatible with Arduino Uno, Uno CMS and Duemilanove

Compatible with Arduino Mega with a simple modification

Documentation

• Assembly Guide (PDF)
• Schematic & Layout (Eagle)
• Official Support Forum

Reviews

• Tronixstuff
• Dr Simon Monk