Project #pc53 bird sounds pc, Project #pc50, Project #pc51 – Elenco Computer Inteface for Snap Circuits® User Manual

Page 51: Project #pc52

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Build the circuit and try the settings shown. You may try other
settings to zoom in or look at the frequency spectrum.

Settings

Project #PC50

Whistle Chip

Sounds PC (II)

Connect the whistle chip (with the
PC-interface cable still connected
across it) across points B &

C. The

circuit oscillates in short intervals.

Project #PC51

Whistle Chip

Sounds PC (III)

Connect the whistle chip (with PC cable) across points C &

D using a

1-snap, the sound and waveforms are different.

Project #PC52

Whistle Chip

Sounds PC (IV)

Place the 470mF capacitor C5 on top of
the 100mF capacitor C4, and connect the
whistle chip across points A &

B. The

circuit oscillates in 2-second intervals.

Project #PC53

Bird Sounds PC

OBJECTIVE: To view the output of an oscillator circuit.

Build the circuit and try the settings shown. The oscillator
activates about once-a-second, sounding like a bird chirping. You
may look at the frequency spectrum if you like.

Settings