Category Archives: walking robot

[James Bruton] Is Making A Dog: OpenDog Project

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There was a time when a two-legged walking robot was the thing to make. But after seeing years of Boston Dynamic’s amazing four-legged one’s, more DIYers are switching to quadrupeds. Now we can add master DIY robot builder [James Bruton] to the list with his openDog project. What’s exciting here is that with [James’] extensive robot-building background, this is more like starting the challenge from the middle rather than the beginning and we should see exciting results sooner rather than later.

Thus far [James] has gone through the planning stage, having iterated through a few versions using Fusion 360, and …read more

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Mike’s Robot Dog Is A First Step In The Right Direction

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Humans can traverse pretty much any terrain thanks to their legs and fast-acting balancing system. So if you want a robot which should have equal flexibility, legs are a good way to go, this confirmed by all the achievements of Boston Dynamics’ robots. It was therefore natural for [Mike Rigsby] to model his robot dog after Boston Dynamics’ dog-like robot, SpotMini.

The build log on his Hackaday.io page makes for interesting reading. For example, he started out with the legs oriented like SpotMini but found that when trying to stand, the front legs worked fine but the rear ones slid …read more

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Biped Bob Walks and Dances

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If you have a few servo motors, an Arduino, and a Bluetooth module, you could make Biped Bob as a weekend project. [B. Aswinth Raj] used a 3D printer, but he also points out that you could have the parts printed by a service or just cut them out of cardboard. They aren’t that complex.

Each of Bob’s legs has two servo motors: one for the hip and one for the ankle. Of course, the real work is in the software, and the post breaks it down piece-by-piece. In addition to the Arduino code, there’s an Android app written using …read more

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Hackaday Prize Entry: Experiments with Wheeled Legs

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If you’ve been keeping tabs on recent developments in robotics, you surely remember Handle — the awesome walking, wheeled robot from Boston Dynamics. There’s a good reason why such a combination is a good choice of locomotion for robots. Rolling on wheels is a good way to cover smooth terrain with high efficiency. But when you hit rocky patches or obstacles, using legs to negotiate these obstacles makes sense. But Handle isn’t the only one, nor is it the first.

[Radomir Dopieralski] has been building small robots for a while now, and is especially interested in how they move. He …read more

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