Elenco PK101 w/ Computer Interface Manuel d'utilisateur télécharger pdf (Page 21)

+9V

100kΩ

1kΩ

3.3kΩ

470Ω

473

502

Project PC6

OBJECTIVE: To demonstrate wait mode with multiple colors.

Noisy Blinker PC

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 press the switch. Set

Winscope to the settings shown below, and move the the variable resistor knob around to change the

waveform and the sound. A sample waveform is shown here, but the pattern and shape of the pulses

depends on the variable resistor setting.

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SPEAKER

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Elenco PK101 w/ Computer Interface Manuel d'utilisateur Page 21