Snap Circuits Computer Interface Manual

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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 sho
wn here.
Settings
Y
ou can change some of the
Winscope settings around to view the
w
aveform and spectrum in different ways if desired. You can also
place the 0.02mF capacitor on top of the whistle chip to lower the
frequency.