As a project for one of my college classes, we were asked to create something using the Arduino. After a few different ideas, I settled on putting an Arduino noise machine into a suit jacket. It uses parts of the jacket to make function, so that it appears that the jacket is making sounds for no reason.
The code that I used was from blinkyblinky, and can be found here. Using his project as the basis, its a simple matter of fitting everything into the jacket that you decide to use.
So lets begin.
Step 1: Parts
1 Arduino Uno
1 suit jacket (check out local thrift stores)
2 speakers (also check otut
2 momentary tactile switches, preferable with four "legs" on them
1 soldering iron
1 9v battery
1 9V battery adapter for the Arduino
1 battery switch
Small safety pins OR a sewing kit
Rather than reinvent the wheel, I recommend you check out blinkyblinky's Instructable on how to put together and test out the noise machine. He also provides different codes, depending on the kind of sounds you want. Once you have it breadboarded and functioning the way you want it to, we can move on to applying it to the jacket.