Elenco Upgrade Kit SC500 to SC750 - Manual (Page 145)

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Sample frequency spectrum:
You can replace the 0.1
m
F capacitor C2 with the 10
m
F capacitor C3
(“+” on the right) to change the sound.
Settings
Sample waveform:
Settings
Project #PC68
Replace the 10K W resistor R4 with the 100K W resistor R5. Now you
change the frequency by changing the resistance in the oscillator.
Electronic Noisemaker
PC (II)
Project #PC69
Bee PC
OBJECTIVE: To view the output of an oscillator circuit.