DIYing a Robot Actuator, for Better or Worse
The DIY promise sure is appealing: a fun project, a beautiful bespoke result, and a cost that is just a fraction of what the store wants. Of course, it never works out that way. The project ends up being a nightmare, the results aren’t as good as you expect, and the cost ends up being much higher than if you just purchased the thing. But Brandon Lai is young and I admire that he learned that lesson without giving up when he decided to DIY a robot actuator.
Lai wants to build a robot and is aware of the frustrating truth, which is that robots are expensive. The actuators are a major line item on a robot’s bill of materials and Lai thought he could save some money by building them himself. And he was smart enough to know that he should work from an existing design — MIT’s...
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