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The Snap Circuits Kit uses electronic blocks that snap onto a clear plastic base grid to build different
circuits. These blocks have different colors and numbers on them so that you can easily identify them.
Build the circuit shown by placing all the parts with a black 1 next to them on the clear plastic base grid
first. Then, assemble parts marked with a 2. Install two (2) “AA” batteries (not included) into the battery
holder (B1).
Turn on the slide switch (S1). Activate the circuit by pressing the press switch (S2) or waving your hand
just above the photoresistor (RP), do both several times and in combination. You will hear an exciting
range of sounds, as if a space battle is raging!
The space war IC is a super-miniaturized electronic circuit that can play a variety of cool sounds stored
in it by using just a few extra components. In movie studios, technicians are paid to insert sounds like
these at the precise instant a gun is fired. Try making your sound occur at the same time an object hits
the floor. It is not as easy as it sounds.
If you have any problems, contact Elenco
®
Copyright © 2005 Elenco
®
Electronics, Inc. All Rights Reserved. • 150 Carpenter Ave. • Wheeling, IL 60090
(800) 533-2441 Fax: (847) 520-0085 • e-mail: elenco@elenco.com • Web site: www.elenco.com or www.snapcircuits.net
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WARNING: SHOCK HAZARD -
Never connect Snap Circuits
to the electrical outlets in your
home in any way!
WARNING: Always check your wiring before
turning on a circuit. Never leave a circuit
unattended while the batteries are installed.
Never connect additional batteries or any other
power sources to your circuits.
Space Battle
Model SCP-05
Remove the photoresistor (RP) from the circuit shown. Activate the
circuit by pressing the press switch (S2). The space war sounds play as
long as the switch is pressed. Release and press the switch several
times to hear all the different sounds.
Project #2
Space Battle
Remove the photoresistor (RP) and press switch (S2) from the circuit
shown, and turn on the slide switch (S1). Wet two of your fingers and
touch them across where the photoresistor was connected. You hear
space battle sounds when your fingers complete the circuit.
Project #3
Touch Space Battle
Use the same circuit as for project #1 but replace the press switch (S2)
with the photoresistor (RP) and turn on the slide switch (S1).
The photoresistor contains material that changes its resistance when it
is exposed to light, as it gets more light, the resistance of the
photoresistor decreases. Parts like this are used in a number of ways
that affect our lives. For example, you may have streetlights in your
neighborhood that turn on when it starts getting dark and turn off when
it is light.
Find a piece of white paper that has a lot of large black or dark areas on
it, and slowly slide it over the photoresistor (RP). You should hear the
sound pattern constantly changing, as the white and dark areas of the
paper control the light to the photosensitive resistance. You can also try
the pattern below or something similar to it:
Project #4
Photo Space Battle
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