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These LEGO linkage walkers wander under Arduino control

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These LEGO linkage walkers wander under Arduino control

Arduino TeamSeptember 27th, 2019

YouTuber Oracid1 has developed a unique family of four-legged robots, dubbed “FiveBarQuads.”

The quadrupeds all feature ultrasonic sensing for navigation and a body made out of LEGO components — and as seen in the first video below, his latest (and largest) version is able to navigate quite nicely on its own. It’s even able to traverse a grate and maneuver around a potted plant, though chair legs are understandably a bit tricky.

The robots use an Arduino Uno for control along with a total of 16 micro servos in its shoulders (four each) in order to move the limbs. Two servos are employed to actuate each upper linkage for the legs, which are attached to bottom sections, and finally to the feet portion through a series of joints. This allows for an interesting locomotion capability that could be applicable in a variety of situations.

[youtube https://www.youtube.com/watch?v=CPP0dnm1N3E?feature=oembed&w=500&h=281]

[youtube https://www.youtube.com/watch?v=XhwKra9lX_I?feature=oembed&w=500&h=281]

[youtube https://www.youtube.com/watch?v=dyPRMdeFZL4?feature=oembed&w=500&h=281]

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