> First published source there is TIChronos/src/ti_chronos_joy.cpp which
> turns Texas Instruments Chronos watch
> (http://processors.wiki.ti.com/index.php/EZ430-Chronos?DCMP=Chronos&HQS=Other+OT+chronoswiki ) into ROS compatible Joystick publisher. Included launch file works with turtlesim demo.
> 

Made little demo video too:

http://www.youtube.com/watch?v=yMyE10Qtchc

  Tõnu