2. Robots of the World

Before we really get into building robots, I thought I’d share a selection of DIY robots that you may have seen over the past few years. They’re fascinating in their diversity and in the way the builders came up with clever solutions for the problems they encountered.

Most of the builders don’t make robots professionally. They may not be rank beginners—they’ve been doing this for a few years. However, they are folks like you and me who want to play around with motors and microcontrollers.

These builders make use of 3D-printed or machined structures and high-quality milled frames, and they carefully program their robots. Perhaps professional-grade bots are more cleverly engineered and use better servos and microcontrollers, ...

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