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MP3 Foam Soccer Ball for the BlindView Instructable »
Not sure what you mean by sonic location info? Do you mean a buzzer or sound placed on the hoop. I saw one somewhere but can't find it again. Please explain your need.
Basket Ball for the Blind - Mp3 SoundView Instructable »
Can you solder to aluminum foil?
Toggle Switch Assistive Technology
Toggle Switch Assistive TechnologyView Instructable »