audio(1)

[moloned]

The main objective of the blink(1) is to provide visual feedback of activity on a USB port

What if you don't have line of sight or you are visually-impaired?

Porting an algorithmic sound generator could provide the answer

This demo runs on an ATtiny85

http://www.youtube.com/watch?v=AZpfHiwQf-s&list=PL99C9E6EEC313BED2

The code is already out there

http://pelulamu.net/ibniz/
http://countercomplex.blogspot.com/2011/10/some-deep-analysis-of-one-line-music.html

Main requirement would be to convert the note sequence to PWM output and perhaps have a butting to allow the generator polynomial to be changes