building arduino board in Brazil - São Paulo

Hello Brazilian Friends.

I'd like join you in this workshop/Hacklab in São Paulo.

Do I have to register for this event? Is it free? How long it takes?

If you want share some knowledge with me my e-mail address is danielcabib@gmail.com. I have some draughts about Arduino, and I'll be thankful if you guys could help me.

See you soon.

Daniel