acoustic control four-tone doll electric principle circuit

Published:2011/6/7 19:40:00 Author:John | Keyword: acoustic control four-tone doll | From:SeekIC

This circuit uses the FL-11 blocks without few external components. The device is simple. The completed acoustic control board is connected to the speaker with 2 1 / 4 inches. Put the unit into the box and add 4 5-storm cells and its support outside. Power on and push the entire device into the doll’s body. Once clapped, its voices of crying or shouting for father and mother can achieve the degree of real ones. This circuit is generally needed to be debugged because it is able to succeed.



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