Acoustic control four tones doll principle circuit diagram

Published:2011/3/28 1:30:00 Author:Joan | Keyword: Acoustic control , four tones , doll | From:SeekIC

This circuit uses the FL-11 blocks. It has few external components and its device is simple. Connect a ready acoustic control PCB to 2 1/4 inch speakers. Load into a box, and then external connect toFour AA batteries storm cells and support. Switch on, put into the doll body. When clapping, the doll cries of father, mother. It sounds like real one. the circuit generally can be succeed by different debug.



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