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Joystick-Synth based on the Atari Punk Console

Joystick-Synth based on the Atari Punk Console
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First of all, what's an Atari Punk Console? Well in a nutshell it's a simple noise making circuit with two knobs, one for the frequency of  square wave pulses and one for the length of the pulses. When you turn the knobs it makes rad video game-like noises, which is how it got it's name, coined by Kaustic Machines. It was originally published in a Radio Shack Engineers Notebook booklet written by Forrest M. Mims III and was called a "Stepped Tone Generator." Since then it has become an extremely popular circuit for hobbyists. Many people add cool features or build them into cool things.

So what makes ours unique? Joystick control!

Classic joysticks have two pots inside (variable resistors,) one for up and down, one for left and right. I made these control the APC circuit. Not only does this joystick have trim controls so you can tune the note you hear in the center, but the added switches change the range in tuned musical steps. This is an APC ready to play along with a band!

If this has been done before, I haven't found any with such capabilities. But in an effort to be open source I would like to guide you though what it took to build it, that you may possibly expand upon it and break further ground, and the whole human race can noisily benefit.

Behold: The Joey-Stick® by Wozn of Rooftop Ridicule

 
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Step 1Find the joystick

Find the joystick
I bought mine when I was a kid, probably in the early nineties. Now the best place would probably be at a thrift store. try to find one with a lot of travel and range of motion. If there are trim controls even better. It's a good sign if the cable has a standard analog 15 pin PC joystick plug. Here's a good one.

Get creative and gut the analog stick from an old game controller like a PS1 or a Game Cube. Same deal inside. I once found a great joystick that stuck out the front of the radio on an '88 Chrysler LeBaron.
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8 comments
Mar 24, 2012. 2:45 AMcc67 says:
Where did you buy the breadboard
Apr 7, 2012. 6:17 PMxandores says:
radioshack, maybe.
Dec 29, 2011. 4:18 AMdeathsmileyinc says:
hey you removed the video
Feb 26, 2011. 12:26 AMstncilr says:
Check mine out, it is made form an actual atari joystick. Check out my set on flickr, it has pictures of the completed project. And im sure you'll never guess what knobs I ended up using for it.

http://www.flickr.com/photos/stncilr/sets/72157625941392914/
Dec 8, 2010. 7:56 PMRobot Lover says:
Actually your breadboard is a digital analog trainer worth around 150 bucks new!


Great instructable!
Jun 6, 2010. 6:27 PM8bit says:
video removed by user?
Nov 12, 2009. 4:22 PMroadieflip says:
Your atari punk console is unique bcause it's built into a joystick?

Do you know what the first apc was built in? Let me give you a clue...



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Author:wozlaser(Rooftop Ridicule rad musicband)
my name is Joe Wozniak and I sing, play guitar, mandolin, keyboard, and various circuit-bent things in the band Rooftop Ridicule. It's very likable stuff and the circuit-bent things are used very tast...
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