It houses an Arduino board with a data logging shield of his own design. That shield holds an SD card for storage, and breaks the other pins out as screw terminals.

To test each revision of the firmware, the folks at Adafruit broke out their Arduino data logging shield to press the watch’s button once a minute (activating the display) and measuring the ...

The main components are an Ardunio Uno microcontroller, TTL Serial JPEG Camera (or a weatherproof variant, if required), Adafruit's Data Logging Shield for Arduino, an Eye-Fi wireless SD card, and ...

Arduino devices have had the option of a GSM linkup for awhile, but getting that cellular link to truly strut its stuff hasn't always been easy, even for those of us who'd be inclined to program ...