48 SERVO 06.2015
would drive the jaw open and then close it.
I would have preferred that the servo had driven the
jaw linkage from the bottom instead of the top as it would
have given me a better angle. However, the design of the
puppet would not allow it to move freely that way. Just
another one of the compromises you must often make in
constructing something like this (Figure 5).
The puppet did require a bit of careful surgery to allow
the aluminum pieces to slide into the wings, as well as
cutting slots for the leg pieces to go through the bottom of
the feet. This made for a very clean installation with no
signs of the aluminum skeleton visible. Once this was done,
the legs were attached to the wooden base using two 3/4”
corner brackets (Figure 6).
Bandit still needed a little something to finish him off.
The addition of a mask really gave him a swagger and
Tenda Stereo Audio Board
Parallax Passive Infrared Sensor
Scary Terry's Website
PICAXE Program Editor
You Tube Video
Figure 5. Final jaw servo mechanism.
Figure 6. A view of the
Figure 7. Bandit on his perch and all his hidden electronics.