Data Sheet

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74. In a Galaxy Far, Far Away
Build the circuit, turn ON with the
switch (62), and the speaker (93) will
produce the sounds of space battle
in a far away galaxy. The ashing red
light from the LED (69) is indicator
that there is sound in case the room
is noisy.
75. Control Drone in Battle
Pretend you are controlling a drone
in the far away battle by pressing the
press switch (61) several times and
changing the battle sounds. Sound
effect technicians in movie studios
(also known as foleys, named after
the sound-effects artist Jack Foley),
sometimes use this technique.
76. Mixing and Repeating Sound Effects
Use the switch (62) to turn ON the circuit. Touch the touch plate (80) to hear gun shots in the distance. The internal
resistance in the LED (69) limits the current through the speaker (93) thus reducing the volume of the sound.
77. Automated Sound Effect
Replace the press switch (61) with the reed switch (83), and turn ON the switch (62). After the sound stops, pretend a
magnet is in the pocket of a magician on a stage. The magician could perform a trick where he waves his hand to make
a speaker make sounds when in reality he is just leaning the magnet closer to the reed switch (83) to turn it on.
1st level
2nd level
1st level