Elenco Electronics Projects 306-511 Instruction Manual page 62

Project #508
Project #509
Police Car
Sound with
Whistle Chip
OBJECTIVE:
Show variations of project #508.
Use the circuit in project #508. Connect the
whistle chip (WC) to points G & H. Connect a
3-wire snap to the terminals C & D and turn on
the switch (S1).
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OBJECTIVE: Use the meter with the alarm IC.
Set the meter (M2) to the LOW (or 10mA) setting. Connect 3-snap
wires to terminals E & F, and C & D. Turn on the slide switch (S1) and
the meter swings rhythmically.
Project #510
Fire Engine
Sound with
Whistle Chip
OBJECTIVE:
Show variations of project #508.
Connect 3-wire snaps to terminals C & D and
A & B. Connect the whistle chip (WC) across
points G & H. You should hear a fire engine
sound generated by the alarm IC (U2).
Rhythm Swinging
Meter
Project #511
Ambulance
Sound with
Whistle Chip
OBJECTIVE:
Show variations of project #508.
Connect a 3-wire snap to terminals C & D.
Connect the whistle chip (WC) across points
G & H. Connect a jumper wire to terminals B
& H. You should hear an ambulance sound
generated by the alarm IC (U2).