Multi-functional sound generator composed of NE555、CC4051

Published:2011/4/18 20:13:00 Author:Ecco | Keyword: Multi-functional sound generator | From:SeekIC

This circuit is mainly used for regular alarm and audio generator in electronic toys. The circuit is characterized by a large range of supply voltage changing adaptation, it can work under 4 ~ 18V. Tone and tempo do not change by the altering of supply voltage, it can be used to indicate various states.



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