2 SD card slots and rootfs on internal SD card - maybe VFAT + fs images?

[Werner Almesberger]

Andy Green wrote:
> It did occur to me that with the motion sensors and a few LEDs (not
> necessarily in a straight line, but equally vertically separated) we can
> do the time telling thing with "special midair display technology"
> really nicely, also rude messages, etc.

Like this ? ;-)
http://www.i4u.com/article1629.html

- Werner