Introduction: Dancing LED's
Create LED's to dance to your music!
You will need:
⢠a small 8 ohm speaker
⢠code 104 capacitor
⢠35v 10 uf capacitor
⢠LED (single- or multi-color)
⢠Audio transformer
⢠breadbord
⢠Audio cable
Step 1: Start the Build
Put the audio cable L/R in the rail's positive and the negative in the negative rail.
Step 2: Capacitor
Put the capacitor in the other rail so stop tearing in the speaker.
Step 3: LED
Add an LED in the same rail as the capacitor.
Step 4: Add the Transformer
Add the smaller coil on the led's rail.
Step 5: Finish the Transformer
Add the larger coil to the audio input rail.
Step 6: Add a Capacitor
Add the 10uf capacitor from the audio rail to the breadboard and connect a speaker to the same pin. Connect the negative of the speaker to the negative of the audio rail. Plug it in and play!

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3 Comments
8 years ago on Introduction
What is the rating? can you post me a link on the internet ?
thank yoU!
marC:)
8 years ago on Introduction
What is the use of an audio transformer? where i can get them?
thank you!
marC:)
Reply 8 years ago on Introduction
The transformer is used to amplify the audio signal enough to light up the LED. you can buy them at your local radioshack or similar. Hope that helped :D