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A project log for Moti, a smart servo

Moti is a smart servo that simplifies the design of intricate robots.

Nicholas StedmanNicholas Stedman 09/29/2014 at 01:552 Comments

Here's a rendering of a fully assembled moti:

and here's an exploded view:

The exploded view shows how the product assembles together. You can see how the magnetic spindle has a shaft that fits in the output gear. It's the same size as the potentiometer shaft used used in conventional servos. The spindle spins right above the magnetic encoder IC which is on the bottom side of the pcb.  The spindle maintains it's rotation axis by fitting a nipple (?) into a registration hole in the pcb. The design has changed a little since this model was generated but it's still quite close.

Drawings were done in Solidworks. The same designs are used to generate .stl files that have been used to 3d print the case bottom and the housing for the magnetic spindle.

Discussions

Toby wrote 10/04/2014 at 14:56 point
This is look Cool.
So if this is working, that is meaning we can use this Servo to built a robot without any other main controller?

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Nicholas Stedman wrote 10/04/2014 at 21:10 point
Hey Toby. Thanks. Yes, that's the idea...at least it's one of the ways it can be used. However, it's an 8-bit ATmega micro at the core, so you can't do complex things like computer vision, so there are definitely scenarios where you might to connect something extra like a Raspberry Pi.

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