was added. This was sized to fit the mask and attach to the
lower lip. I installed the servo above the hinge. I would
have preferred to have it below, but I didn’t have sufficient
clearance with this particular mask (Figure 16). I’m very
happy with the results of this design. It came together
quickly and only requires a little bit of woodworking with
common tools to complete (Figure 17). Once some foam
was added to provide additional support, the mask was
attached and it was finished. I will be inserting some eyes
in it, but that’s for another day (Figure 18).
This build — along with the one for the mask — both
utilize my Frankenstein three-axis controller boards. This
board drives the jaw in sync with your supplied audio track.
It also moves the three head servos — nod, tilt and rotate —
in a random fashion (Figure 19).
Setup for the board requires you to simply download
the supplied program, open it in the free program editor
DIY Animatronics
SERVO 08.2015 43
Figure 18. Mechanism completed with mask added.
Figure 17. Wood face plate added; just needing some
foam.
Figure 19. Completed Frankenstein controller.
