Robotics
Another coat hanger walker
coatHangerWalker082108.jpg

Here’s a one-motor coat hanger walker I spotted on Flickr. It uses the same single-motor hacked servo and BEAM bicore circuit as the Jerome Demer’s project I featured in my book, Absolute Beginner’s Guide to Building Robots, but the leg configuration is different than Jerome’s and my bots, and the center of gravity is shifted (on ours, the battery packs are on either side of the servo case, here they are behind the servo). I know that some builders from my book ended up getting better traction by adding some weight to the back of the servo case, so some COG shift can be a good thing. I’d like to see this one in action to see the walking gate/stability.

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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.

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