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following from that was most of the revs due to presentation, verification, etc... & less about circuitry design?
there was no circuit design really yes. Mostly of the work was inventing/perfecting aesthetics
Also did you do beta testing with other people to assemble the kits properly? How did you choose who?
rapidly & on the fly: I assembled a number myself, I sent several revs to Forrest & to my best friend from HS
and I got a few into the hands of a friend who was teaching an intro electronics class at the same time to try out
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