Open 7400 Logic Competition

The Open 7400 Logic Competition brings awareness to open hardware and software, and fosters understanding of the building blocks of modern integrated circuits. What can you build with logic Chips? 
Entries can be posted via the Dangerous Prototype forum, a personal blog, or even a handy how-to site like Instructables. When you’re ready, please submit a link to your project via the contact form
Entries must be received by October 21, 2011, 6AM GMT. Winners will be announced  via the Dangerous Prototype forum on November 1, 2011. Visit the Dangerous Prototype forum for rules, prizes, and limitations.