How to Deal with Noisy Neighbors

Step 2: Setting Up the Circuit

I fed the electret microphone signal through a simple preamp circuit that I found online, then into an analog input on the Arduino. The LEDs are driven directly by the Arduino outputs. To control the music I tapped an output into the play/pause button on my CD player. With my particular CD player the signal needed to be held high at 5V and dropping it down to ground activated the button.

You can download the Fritzing file of the circuit I set up.

Comments

[Quester55]

Something to think about, But don't get Caught. Connect a Tap switch into your neighbors phone line, add an auto dialer ( From Radio-Shack ) to the line, With the local; ( PICK ONE- Police number, City Morgue, Abortion Clinic, Catholic Church, General Hospital, ETC...
You get the idea? Instead of your switch turning your own amp & Music, Your neighbors NOISE will be their own, " WATERLOO ".

[jonmash]

While I don't agree with the premise of your device (Should we really fight war with more war?), I do have a tip:

You mentioned that you didnt have enough pins to power all of the LEDs but you have 5 pins that are not connected. It wont fill all of the LEDs but at least you can get a bit more range. Solution: You can use your analog input pins as digital output pins too. D14 (A0) through D19 (A5).

Cheers!