Elenco Circuit Maker Skill Builder 125 - Manual (Page 50)

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Project #98 Music Alarm Combo
Project #99 Hit the Target Project #100
Many
Missiles
Build the circuit shown and then place the
alarm IC (U2) directly over the music IC (U1),
resting on the three 1-snaps. Turn on the
slide switch (S1) and you will hear a siren and
music together. After a few seconds, covering
the photoresistor (RP) will stop the music (but
the siren continues).
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).
Use the circuit from Project #99.
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.
CM-125_Manual_031514.qxp_CM-125_Manual_031514 4/2/14 12:20 PM Page 50