Elenco Projects 1-101 - Manual (Page 41)

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Project #86
OBJECTIVE: To combine the sounds from the music and alarm
integrated circuits.
Build the circuit shown and add the jumper to complete it. Turn it on
and you will hear a siren and music together. Press the press switch
(S2) and the siren changes to a fire engine sound. After a few seconds,
covering the photoresistor (RP) will stop the music (but the siren
continues). The motor (M1) is used here as a 3-snap wire and will not
spin.
Music Alarm Combo
Project #87 Bomb Sound
OBJECTIVE: Build a circuit that
sounds like a bomb dropping.
OBJECTIVE: Build a circuit
that sounds like bombs dropping.
Use the circuit from Project #87.
Replace the slide switch (S1)
with the motor (M1). Turn the
shaft on the motor and now it
sounds like a bunch of bombs
dropping.
Turn the slide switch (S1) on and you
hear the sound of a bomb dropping
and then exploding. The LED (D1)
lights and then flashes as the bomb
explodes. This is one sound
generated from the space war IC
(U3).
Project #88
Bomb
Sound (II)