SE Michigan BeagleBone Users Group:
Thu, Mar 10, 7pm ET
i3 Detroit, Ferndale, Michigan
Midwest RepRap Festival:
Goshen, Indiana. Are you interested in 3D printing? Do you want to see what you can make with a 3D printer? Do you already have one?
April 29 - May 1
Southfield, Michigan. Non-profit, community-run convention for open source software and hardware, science fiction, gaming, DIY, and more