Student builds Disney BD-X Star Wars droid using lawn mower battery under $3K
SMRTR summary
A college student built a Star Wars droid in his bedroom, and it actually walks.
Kayden Knapik, an engineering student with limited robotics experience, recreated Disney's beloved BD-X droid as his bachelor's thesis using off-the-shelf parts, a 3D printer, and open-source software. The total cost: around $2,800.
The robot walks, balances itself, responds to voice commands, and even expresses emotion through animated antenna movements. Knapik trained its movement system inside a virtual simulation, running millions of practice attempts before transferring the learned behavior to the physical machine.
The result is surprisingly close to what Disney keeps locked behind theme park walls.
Perhaps most notably, Knapik published everything, including CAD files, assembly instructions, and training software, through a public GitHub project called BDX-R. He's already working on a smaller version that could cost as little as $400.
It's a reminder that the gap between corporate innovation and a curious kid with a laptop is narrowing fast.
SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.
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