Brian constructed three separate articulated
models with sensors (AMS for short). These
combined multiple potentiometers will transfer
our desired motions into commands for the PABs
through the four A/D and D/A converters.
These convert the sensed signal to digital
data that is then processed by the C code in the
Propeller chip, and stored on the SD card for
later playback on the servo ports. For reference,
the code for the player is servo recorder playback
60B beta1.C.
There is one AMS for the witch’s body, a
separate unit for programming the heads, and a
third for the skeleton’s body (see Figure 6,
Figure 7, and Figure 8). Each feature requires a
different setup
in order to get
the most
realistic motions
possible. You
can see from
the pictures that
each of the
designs is very
specialized and
relates as closely
as possible to
the actual
movements of
each
component.
We have discussed
designing a complete
body unit that you wear
which would allow you to
move your body in
exactly the way that you
want the character to
respond.
This system would
provide the ultimate in
precision control, but the
actual unit is still on the
drawing board.
Completing
the Wiring
and Labeling
Once all the
20 SERVO 12.2016
DIY Animatronics
Figure 6.
Body AMS
for shoulders
and elbows.
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3
Figure 7. AMS
for the three-axis head
movements.
Figure 8. Skeleton
AMS for the arms
and legs.
