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34
Project #79
Project #81
Fire Fan Symphony
OBJECTIVE:
To combine sounds from the music, alarm, and space
war integrated circuits.
Build the circuit shown and add the jumper to complete it. Note that in
one place two (2) single snaps are stacked on top of each other. Also,
note that there is a 2-snap wire on layer 2 that does not connect with a
4-snap wire that runs over it on layer 4 (both touch the music IC). Turn
it on and press the press switch (S2) several times and wave your hand
over the photoresistor (RP) to hear the full spectrum of sounds that this
circuit can create. Have fun!
Project #82
Fan Symphony (II)
The preceding circuit may be too loud, so replace the speaker (SP) with
the whistle chip (WC).
The preceding circuit may be too loud, so replace the speaker (SP) with
the whistle chip (WC).
Project #80
Fire Fan Symphony (II)
Fan Symphony
OBJECTIVE: To combine sounds from the music, alarm, and
space war integrated circuits.
Modify the circuit from project #79 to match the circuit shown on the left.
The only differences are the connections around the alarm IC (U2). It
works the same way.
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