2 EUR controller
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  1. #1
    Tech Convert SOCIALPEST's Avatar
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    Default 2 EUR controller

    I was searching on instructables.com to see if they had any neat ideas for MIDI controllers and I stumbled upon this (it's not MIDI but I can see how it could work for me).

    http://www.instructables.com/id/Easy...cal-Interface/

    They basically ripped out the heart from a USB PC keyboard and remapped the keys they needed to new buttons. I'm using Serato Scratch with a Rane 57sl. I wanted to have an additional controller for cues and loops, so I can dedicate the controls on my mixer for effects.

    Anyway, I went to the local Oxfam and bought an old Packard Bell USB keyboard for 2 EUR. Then I ripped out all the keys I don't need and put stickers on the remaining ones to easily recognize what is what.

    I'm really happy with how it works but it looks super crap!

    The next stage is to put this in a new housing and get my hands on some sweet buttons to replace the keys. Obviously, arcade buttons i the way to go on this

    I've sourced the buttons and box but I wonder if anyone has any tips for hooking them up to the brains of the USB keyboard? Seems it's just a case of tracing the circuit back for each key - I'm hoping I can apply multi-key presses to one button.

    Obviously, I'm not having nice things like knobs and sliders as it ain't MIDI but you can't beat the price!

  2. #2
    Tech Convert SOCIALPEST's Avatar
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    I found this in the comments on the project

    "Mapping the keyboard can be done easily with a digital camera and a paint program. Just take a picture of both pieces with a contrasting background. Open it in a pain program of some kind, I use Graphic Converter on my mac. Use the fill tool to fill in the trace for the particular key you want to map. Because they don't cross each other it will fill in just that one all the way back to the circuit board. Use a different fill color for any other keys you want to follow back."

    Should help with mapping the buttons to the correct place without being too much of a headache.

  3. #3
    Tech Convert
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    I appreciate you are trying to do it on $2 but have you looked at these...

    http://groovygamegear.com/webstore/i...roducts_id=199

    I've used them for mapping keys and arcade controls when building arcade machines. I've traced back on usb & PS2 controllers in the past, solderered in the diodes to avoid ghosting etc and its long winded and tedious.

    This could be a good option for you modders?



    Just my two pennth!!
    Stace

  4. #4
    Tech Convert SOCIALPEST's Avatar
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    Thanks Stace, these look great for me. I've not much experience with soldering (in fact I think it is about 18 years since I last attempted such a thing. Thing is I'm hooking this up to my MacBook and I don't have a PS2 port.

    Do you know if the same concept exists for USB?

    BTW - here is another useful article I found - http://www.instructables.com/id/Hacking-a-USB-Keyboard/
    Last edited by SOCIALPEST; 09-17-2008 at 07:45 AM.

  5. #5
    Tech Convert
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    Would a simple ps/2 to usb convertor fix this?

    I've got to admit, I'm quite interested in this now !! If you look around the site you'll see you can get components and Ice buttons that will change colour and stuff depending on state!

    I think I'll go back and have another look.

    edit: This may help you? http://groovygamegear.com/webstore/i...roducts_id=304
    Last edited by Stace; 09-17-2008 at 07:51 AM.

  6. #6

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    I took the concept of this and made a sustain pedal for my oxygen 8 about two months ago. It's a cool idea!
    SyblingQ - Electro House for dark alleys.

  7. #7
    Tech Convert SOCIALPEST's Avatar
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    Just ordered a mountain of nice buttons from Japan, hopefully, they will be here in a week. That'll give me time to figure out where I need to stick 'em. Mmmm my 2 EUR controller has just turned into a 67 EUR controller and it doesn't have a box yet. This thing is gonna look bonkers with its 36 buttons in different colors, shapes and sizes!!!

  8. #8
    Tech Convert
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    Possibly not the cheapest but this place has a good selection of stuff...

    http://www.arcadeshop.de/index.php?c...5dedea3b739ffc

    They also have a huge selection of buttons.


  9. #9
    Tech Mentor denisps2's Avatar
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    Has someone seen an encoder with like 150 inputs???

  10. #10
    Tech Convert SOCIALPEST's Avatar
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    Stace, thanks for the shopping tip. I've decided to try my hand at soldering to the original encoder first - if I balls it up it's no great loss. If I pull it off then I save a fair wad

    I'll hang on to these links tho for plan B

    The craziest thing happened yesterday. I was practising at a local DJ academy and a representative from Rane was there talking to the boss. To cut a medium story short, the guy liked what I was doin on my Rane 57 and asked if I would mind doing some demos on the Rane stand at a Music Expo in Brussels! I'm hoping I get all the parts I ordered before then so I can bring along my sweet new controller! It hasn't quite sunk in yet but this is f#cking awesome

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