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Parallax sells these as a basic kit, which includes only the aluminum panels and motors/wheels. The controller was a BS2 borrowed from my BoeBot, a pair of HB-25s and some sensors. The HB-25s were overkill, but it's what i had. Right now, it's undergoing some major surgery. Motors that came with it, I find, are geared way too high for indoors. After one of them blew itself to bits, replacements are Pololu 37Dmm gearmotors that bolted right up to the stock plates. The original Banebot axle adapters ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/stingray-kit