Elenco Upgrade Kit SC500 to SC750 - Manual (Page 127)

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Project #PC24
High Pitch Bell PC
OBJECTIVE: To build a high pitch bell.
Build the circuit shown. If continuing from the previous
experiment then close the Winscope program and run it
again, to reset the settings. Click on the On-Line button to
activate, and hold down the press switch (snap part S2). Set
Winscope to the settings shown on the upper right.
A
sample waveform is shown on the upper right.
Settings
Turn on FFT mode to look at the frequency spectrum, try the
settings shown here.
Settings
You can change some of the Winscope settings around to view the
waveform and spectrum in different ways if desired. You can also
place the 0.02
m
F capacitor on top of the whistle chip to lower the
frequency.