[philso]

Again, focus on your education. You are setting a good example by doing so.

As Tim suggested, working as a volunteer at a tournament or two is a good way to limit your time commitment. Do factor in that you may have to allow some time for training beforehand, depending on the role.

If you have a lot of experience in a particular area, you can lead workshops in that area to help rookie teams and others that need the help.

You can also attend Kickoff with a team and help them brainstorm in the week after. Afterward, you can help them evaluate some of their solutions. This can be done with short visits, through Skype or by them sending you CAD screenshots.