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A1018, T18s, T20, T28, T29 LCD source code for PIC 16F84A
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A1018, T18s, T20, T28, T29 LCD source code for PIC 16F84A
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AUDIO SWEEP OSCILATOR. This circuit was designed for a sound effect, but may serve other useful purposes when a basic, swept-frequency audio source is required. It produces both square and triangular wave outputs that ascend from about 80 to 730 Hertz in a repeating cycle of about 12 seconds. Appropriate component-value substitutions will yield variations in these parameters.
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