Some might be interested in this little snippet I wrote.
Rather than upload the whole here I decided to point you to
http://code.activestate.com/recipes/578 ... at-simple/
It is a bash script that generates large characters for an at glance
digital clock DEMO.
This idea might be included for a DC voltmeter to run alongside
the AudioScope.sh code using an Arduino. I already have a
working voltmeter for the Macbook Pro and Arduino but no large
Enjoy another fun bash script...