Voice control music outlet circuit 1 using NJM2072D

Published:2012/9/19 2:26:00 Author:Ecco | Keyword: Voice control , music outlet | From:SeekIC

As shown in the figure, the circuit consists of acoustic sensor, voice integrated circuit, relay control circuit, songs sound circuit and AC buck rectifier circuit and other components, it can be used for the voice automatic lights, voice control musical fountain, voice barricades indicator and voice-activated automatic doors. ICl uses voice ASIC NJM2072D, it is the core of the circuit devices, and its functional block diagram is shown in the following figure.



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