Christmas Dancing Leds

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Introduction: Christmas Dancing Leds

Christmas dancing leds by CD4017 ic and LM358 ,the leds are dancing by the music or speach,with microphone in the box

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    9 Comments

    in with the Delinquent Habits, very nice!

    At first, I thought it was a bicycle seat.

    MINIATURE ELECTRET MICROPHONE.
    Where could i find such a component? How do i connect it? Doesn't it have any reference number like the integrated circuits used here?
    Thanks

    Hi
    Micriphone you can find in old cassete radios with recording,in mobile phones,you can use anykind of electric microphone,look i  your junk parts,if you have it :)

    on your schematics there are two parts. How do you connect them ? Is the second part (with transistors) in case one wants to place more than 11 leds ?

    That pesky link! Thanks macobt

    you welcome. If you made this,post some pictures or video regards macobt

    very cool. but posting a video and a pic of the schematic isnt very informative, could you post some building details with steps and more information? this looks like a cool project to build

    here is schematic and parts

    dancing leds-schematic.jpgdancing leds-parts.jpg