H3: Hardcore Hardware Hacking weekend July 21, 2007

Hosted by tinker.it, this Hardcore Harware Hacking Workshop is for advanced Arduino users. Lead by Massimo Banzi and Matt Biddulph, participants will be given the opportunity to work on their projects and get great hardware and software help and play around with exclusive tinkering tools
Participants will get to hang out with the best hackers in London and some exclusive guest hackers will come and present their work.

Official Website: http://tinkerit.eventwax.com/h3-hardcore-hardware-hacking