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


maddyco (author)2015-09-27

in with the Delinquent Habits, very nice!

J-Five (author)2014-02-04

At first, I thought it was a bicycle seat.

xmastex (author)2009-12-09

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?

macobt (author)xmastex2009-12-09

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 :)

marcia09 (author)2009-07-28

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 ?

gomjabar (author)2009-02-26

That pesky link! Thanks macobt

macobt (author)gomjabar2009-02-26

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

AnonyMouse69 (author)2008-12-19

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

macobt (author)2008-12-19

here is schematic and parts

About This Instructable




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