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Uncle Krunkus
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Joined: Jul 11, 2005 Posts: 4761 Location: Sydney, Australia
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Posted: Mon Sep 03, 2012 8:30 pm Post subject:
Frankie Subject description: Oh no! Another project! |
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These bits and pieces are hopefully going to coalesce into "Frankie" (short for Frank Converter)
He's gonna have an 8 step, 4 osc, polyphonic sequencer and amp mounted in his skull.
I'll leave the picture to describe itself.
Oh, and a (very rough) schem of the workings.
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_________________ What makes a space ours, is what we put there, and what we do there. |
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JingleJoe
Joined: Nov 10, 2011 Posts: 878 Location: Lancashire, England
Audio files: 14
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Posted: Tue Sep 04, 2012 1:25 am Post subject:
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Ah a gate sequencer, I see (or chould that be IC!?!?! ) I plan to make one myself soon so I will be interested to see how you do it _________________ As a mad scientist I am ruled by the dictum of science: "I could be wrong about this but lets find out"
Green Dungeon Alchemist Laboratories |
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Uncle Krunkus
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Joined: Jul 11, 2005 Posts: 4761 Location: Sydney, Australia
Audio files: 52
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Posted: Tue Sep 04, 2012 4:25 am Post subject:
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The parts you can see on that schem are not doing anything very out of the ordinary, but my aim on this one is to get the most functionality from the least number of chips.
The real interesting part which gives this thing it's potential (IMHO) is the Switch Matrix. You can see it in the photo. 4 * 8 way DIL switches, with a diode going into one side of each, with the other sides (*4) commoned. Yes, that's 32 * 1N4148's to solder! But it's crucial. It gives up to 8 steps with a separate gate out for every step, across 4 gate buses!
I actually built it up a couple of years ago, with no idea what it would be used for. Just thought it might come in handy.
I'll do a schem for the Switch Matrix now. Just to make it clearer. _________________ What makes a space ours, is what we put there, and what we do there. |
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JingleJoe
Joined: Nov 10, 2011 Posts: 878 Location: Lancashire, England
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Posted: Tue Sep 04, 2012 5:04 am Post subject:
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Excellent, that's the kind of stuff I was interested to see I've seen that done before on sequencers, each gate bus going to a different envelope>filter>VCA>sound wave combination. _________________ As a mad scientist I am ruled by the dictum of science: "I could be wrong about this but lets find out"
Green Dungeon Alchemist Laboratories |
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elmegil
Joined: Mar 20, 2012 Posts: 2177 Location: Chicago
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Posted: Tue Sep 04, 2012 5:21 am Post subject:
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Right, I saw the block for "switch matrix" and thought it might be like that old cartoon "then a miracle occurs" |
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Uncle Krunkus
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Joined: Jul 11, 2005 Posts: 4761 Location: Sydney, Australia
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Tomoroh Hidari
Joined: May 04, 2012 Posts: 39 Location: Vienna
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Uncle Krunkus
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Joined: Jul 11, 2005 Posts: 4761 Location: Sydney, Australia
Audio files: 52
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Posted: Wed Sep 05, 2012 1:19 am Post subject:
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They're DIL switches. Same size as a 16pin DIL IC. _________________ What makes a space ours, is what we put there, and what we do there. |
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JingleJoe
Joined: Nov 10, 2011 Posts: 878 Location: Lancashire, England
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Posted: Wed Sep 05, 2012 8:55 am Post subject:
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I recently used a four way DIL in my latest invention, to great effect, to adjust it one feels like some kind of old-school computer hacker to me, it gave the same feeling as taking the back off a device with a "no servicable parts inside" sticker on it _________________ As a mad scientist I am ruled by the dictum of science: "I could be wrong about this but lets find out"
Green Dungeon Alchemist Laboratories |
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Uncle Krunkus
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Joined: Jul 11, 2005 Posts: 4761 Location: Sydney, Australia
Audio files: 52
G2 patch files: 1
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Posted: Wed Sep 05, 2012 2:27 pm Post subject:
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Yeah, they are small and fiddly, but for the size/cost they are perfect for some situations. _________________ What makes a space ours, is what we put there, and what we do there. |
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