Basic Animatronics Continued: Servo Actuated Mouth

[Chris] is at it again and this time he has put together a tutorial rounding off his animatronic face by actuating the mouth. His tutorial covers two different styles of robot mouth: an LCD mouth which dims to imply actuation and a servo articulated flap.

[Chris] covers all the aspects of each mouth type, from the basics of human mouth actuation to servo motor control. In this case the LCD mouth is not quite as impressive so it gets installed on a face mock up while the servo mouth goes on the face previously featured in his other tutorials. The entire setup is still controlled using a single PIC 18F452. The circuit diagrams and code for both types of mouth are all available on the site including videos of the actuated mouth and a gif of the LCD mouth in action.

Check out a video of the articulated mouth below throwing down some classic season 6 Jean-Luc. If you are interested in the other parts of the face we have covered [Chris]‘s other tutorials on the eyebrows and the eyeballs. These are a great jumping point for your own animatronic face project and do a great¬† job of setting up all the know how you’d need to build your own emotional puppet.

Comments

  1. In before “South Park Canadian”

  2. Colin says:

    that’s exactly what I was thinking, a Canadian from SP.

  3. bty says:

    I have a project coming up where i need to move the mouth of a deer using 2 servos in sync with an audio stream.

    Any insights in the filtering for this. Coefficients and such. I’m thinking of an envelope follower followed by a LP ?

  4. Max says:

    Mmm, first though: Live-action South Park.

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