Arduino sound activated lights

Proof of concept that i could use an arduino with an electret microphone to pulse fade a led to the bass of a song. Cant really see anything, but the mic is right next to my sub and input into analog pin 0, and led hooked up to pin 11 using analogWrite.

Category:

Science & Technology

Tags:

• Arduino
• sound activated lights
• led
• light controller

[marcelosouza]

Do you have to use an Amp circuit to get is to work ?

[TheAriceCake]

@marcelosouza i didnt have one in this video. I added one later, gave me about the same effect. I used the map feature and squared the output in programming so it would only light up if it was loud. I want to make a circuit that only lets the low tones through, but i dont know how to do that.

[m1dm4n]

is it possible to get a code, because we have a school project where we are thinking of making sound reactive LED lights, just like yours, so it would be a great help if we could get the code.

[billynightmare]

code plz :)

[Danel1303]

I'm doing the exact same project currently. I started with 1 LED exactly like this but I've moved on to an addressable strip..nice job!