Christmas Dancing Leds

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About: My name is marjancho and I love electronics,makeing gadgets,hack and pranks.

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 Discussions

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    xmastex

    9 years ago on Introduction

    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

    1 reply
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    macobtxmastex

    Reply 9 years ago on Introduction

    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 :)

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    marcia09

    10 years ago on Introduction

    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 ?

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    macobtgomjabar

    Reply 10 years ago on Introduction

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

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    AnonyMouse69

    10 years ago on Introduction

    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