Elenco Circuit Maker Sound Plus 200 - Manual (Page 70)

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Project #177 Space Battle
Build the circuit shown on the left.
Activate the circuit by turning on the
slide switch (S1) or pressing the
press switch (S2), do both several
times and in combination. You will
hear exciting sounds and see
flashing lights, as if a space battle is
raging!
Replace the slide switch (S1) with the
photoresistor (RP). Now covering and
uncovering the photoresistor will change
the sound.
Project #178
Space Ba ttle (II)
Project #176 Slow Light Switcher
Turn the slide switch (S1) on. Set the adjustable resistor (RV) so that the
lamp (L4) is on when there is light on the photoresistor (RP), and the
LED (D1) is on when you cover the photoresistor.
When you cover or uncover the photoresistor, the lamp & LED take a
few seconds to switch on or off.
CM-200_Manual_031914.qxp_CM-200_Manual_031914 4/2/14 12:05 PM Page 70