Simple sound control music color light controller circuit

Published:2011/7/24 21:53:00 Author:Christina | Keyword: Simple, sound control, music, color light, controller circuit | From:SeekIC

A lots of sound control music color light controller circuits have many audio signal amplifications and three or four transistors, so the circuit is hard to adjust, for some beginners, it is hard to assemble and install. So I use a audio amplification integrated circuit lm386 to assemble and install a music color light controller, the external circuits are very simple. The cost is less than five yuan, and it is very sensitive. The circuit is as shown in the figure, the transformer is the output transformer of the portable radio. The htd is the piezoelectric ceramics with the diameter of 27mm. This circuit can drive a incandescent bulb with the power of lower than 150W.



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