Go see the wiki at http://bitbucket.org/cdw/arduinoforscience/wiki/ for more info
This repository contains information related to an introductory arduino_ class taught by Dave Williams and Armin Hinterwirth at the University of Washington. This class is aimed at teaching researchers in the biological, or simply non-computational, sciences how to program a microcontroller for automation and data collection.
.. _arduino: http://www.arduino.cc/
Download the code from the repository and open it with the `arduino IDE`_. You'll need an arduino board and some widgets, links to purveyors of which are on the wiki_.
.. _`arduino IDE`: http://arduino.cc/en/Main/Software
.. _wiki: http://bitbucket.org/cdw/arduinoforscience/wiki/
This code is in the public domain, enjoy.