Free Telephony Project: Free (as in speech) hardware and software for embedded telephony.
Open Source Line Echo Canceller: A high quality line echo canceller for Asterisk.
Low Cost IT for The Blind: The Louder Router is a $200 talking computer for the blind, built around free software and commodity routers.
$10 ATA Project: Cheap telephony for the developing world using a novel $10 Analog Telephone Adaptor (ATA) design and commodity routers.
gEDA gschem/PCB: Perl Scripts for the free gEDA/PCB CAD tools, e.g. automatic updating of PCB footprints, and improved component dragging.
I blog on my projects, and occasionally on other topics such as wealth creation. Popular posts are Building an Embedded Asterisk PBX, Building a BlackfinOne, the Open Source Echo Canceller series and my philosphical rant on Open Source Hardware.
Over the past 2 years I have been done a lot of work with the Blackfin. Using the blog I have captured a lot of practical information and tips on Blackfin code optimization.
Less popular is my About page.