Designed by MIT as a way to study spaceflight techniques such as docking and navigation without the expense and risk of using a full ... as Arduino and LEGO Mindstorms EV3, which makes for an ...

An EV3-controlled motor powers the whole thing. He also makes use of an obscure part–the 14-tooth bevel gear, last manufactured by LEGO in 2002 and even then it was mostly sold in part ...