Bell of the Bicycle (the 3rd)

Published:2011/6/6 5:17:00 Author:Felicity | Keyword: Bell of the Bicycle (the 3rd) | From:SeekIC

Work of the circuit The circuit consists of audio frequency oscillator, LFO and voice outputting circuit (It is showed in picture 7-169.). When you press button S and LFO starts to work and VL shines. In the meantime audio frequency oscillator is modulated. The modulating pulse signal which is outputted from IC’s pin 3 drives BL to make the sound “honk honk”.



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