[COLUG] Sandal Powered Linux Systesm: Morse Code, Toe Prints

[Jim]

Mike Schoenborn wrote:

> >Better yet, put it in your sandals. Tap out the PIN in morse code. 
> >You could make it powered by flexing of sandal by walking. 
> 
> That sandal with embedded capacitive sensor (QProx) + accelerometer (AD320)
> + compass sensor (HM55B) might (over a sufficient sampling time) add up
> to a reasonable source of randomness, if you still need that in the contraption.

With an ARM CPU to run Linux, one could observe the normal walking 
pattern and determine who the wearer is. With the right sensor, 
one could check toeprints.