![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjEHQUQqhpuDi_Y2O7aS4XnFiQ4QNHJHnM0dpLRvy_gz12zGrHQVx4mVrkoGNh4jWPZxCe1OrNiamq3HaWKrUUE15QA8u-Hsc-M5nQmio7LzwqrEtf7CmzUmiry5kJnqDnExNj49gHp0Rs/s400/lm3909-organ-parts.jpg)
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Using LM 3909 LED flasher IC , can be designed various electronic projects . As you can see in this circuit diagram , using the LM3909 LED flasher IC can be designed a very simple color organ .
This circuit is not complicated , it use just some common active audio filters for filtering audio signals and a part formed by a LM3909 IC .
All of three active filters drives the audio spectrum into three bands drive rectifiers and then drive IC2,3 and 4 , flashing the LEDs at 6 Hz. D4,D5 and D6 should be three different colors for best effect .
In the table bellow you can see all electronic parts required by this color organ project .
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