I for one would like to say big thanks already for your generous attitude with the opto that you've released. I've loved your threads, man. Uh, not the clothes, the design discussion. :grin:
If you are concerned about copy protection, or unauthorized builds, maybe keep the scheme off the forum, and we pass it by email amongst those who buy a PCB, or password protected on a site? Otherwise, no worries. Sounds like a dream.
:guinness: