Theatre Design & Technology - Summer 2017 - 62

16TH

BIENNIAL TECH EXPO
DISPLAY AND CATALOG

Ferrite collars were added to the unshielded leads from
the motors to help further eliminate EMI.
For cuing the busts, we used a combination of preprogrammed movements in the Arduino triggered by
switches connected to digital pins on the Arduino. For
example: if button No. 1 is closed, head No. 1 will rotate to
90 degrees or if buttons No. 1 and No. 2 are closed, head
No. 1 will rotate to 175 degrees. In essence, the buttons
functioned as a four-bit binary code that correlated to the
Arduino and the programmed movements. For testing,
we used two push buttons to send various binary codes,
but for production, we used a Creative Conners Stagehand FX unit with Spikemark software. The Stagehand
FX has four controllable solenoid switches that could be
precisely programmed. Using this combination eliminated concerns about consistency when manually pressing
a series of buttons to complete one
command. Note that this same effect could be achieved without the
Conners equipment by programming within the Arduino to cycle
between preset positions. This was
used on the same project to control
LEDs in the eyes; however, the programming was more complex.
To mount the servo motors
to the busts we used ServoBlocks
from ServoCity.com (Figure 4).
These allowed us to mount each
motor to an aluminum angle that
was screwed onto the wall-mounted console table (Figure 5). An extension from each motor connected to a 6" radius plate, mounted to
the bottom of the busts. Each bust
sat on a Lazy Susan bearing that
was also mounted to the table for
additional support (Figure 6).
The movements of the busts added to the overall comedic effect and achieved what the director sought. This
project served as a learning opportunity for our students
and staff to study a new piece of technology that has endless possibilities in theatrical application and is steadily
being incorporated to special effects in theater. This project also became a collaboration not only between students
and faculty, but between departments and disciplines.
Consulting with the computer-science and industrial design departments not only aided in trouble-shooting and
programming, but also allowed their students to be a part
of an art form that they may not have experienced otherwise. These statues were our stepping stone into a new
world of technology and collaborations and were well
worth the headaches and broken gears.

Figure 4

Figure 5

Figure 6
62

theatre design

& technology

S u m m e r   2 0 1 7


http://www.ServoCity.com

Table of Contents for the Digital Edition of Theatre Design & Technology - Summer 2017

Contents
Theatre Design & Technology - Summer 2017 - Cover1
Theatre Design & Technology - Summer 2017 - Cover2
Theatre Design & Technology - Summer 2017 - 1
Theatre Design & Technology - Summer 2017 - 2
Theatre Design & Technology - Summer 2017 - Contents
Theatre Design & Technology - Summer 2017 - 4
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