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Image Comments posted by latigid on
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Thanks!
MatriX has some similarities to the BLM16x16+X in that it has 17x17 keys and a few sliders, and communicates over the same MIDI protocol. Apart from those it is really quite different!The BLM protocol has a "keyboard mode" where you can play with different velocity on the y axis, notes (usually forced to scale) on x.
Best,
Andy -
I have only seen it once in person, but it is an incredible and really solid device.
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Amazing photos Peter! Thanks also to Adrian for the awesome case work.
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Now we just need to do black panels to match the case
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Not sure yet, more likely alu. Will try different panel styles.
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Do you need a new driver for the other DAC? MAX5500 seems like it has just as good performance and costs the same.
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For AOUT? There's an old thread of mine around. Just the AOUT with a different amp design. Dual inverting amp; the first sets the gain/scaling, the second re-inverts and mixes in +5V for bipolar.
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She was pretty fast! I took the bag to the window and tilted it over and she jumped out super quick!
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POIDH people! Save @jaytee!!
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I think you'll even like this blue, Bruno :-) :P
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I think the LH version will probably suit righties better. It's also more like the Wilba version with groups/tracks on the left. The wheel is a bit different but honestly I manage without using it most of the time.
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Yeah, cute! Is the data protocol through a line driver or directly wired using SRIO (J89)?
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Wait until you see @Hawkeye's video :)
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Cool display tricks! Could consider "SAVE" instead of "STOR"?
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Epic! Must be quite zen soldering all of those LEDs...!
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It's awesome!
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Thanks for the explanation!
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Looks great! Is the BLM 16*4 hand-wired? What switches are used?
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Very pretty! May I ask what current you're driving through the LEDs? Do you experience any voltage sag/droop at the 595 anode outs? The story apparently goes, that if you're drawing more than 5-6mA (continuous) through a 595 output pin, the source voltage will decrease. http://electronics.stackexchange.com/questions/77841/how-much-current-can-my-74hc595-handle-on-each-output-pin
While keeping in the MIDIbox paradigm of ordinary shift register chips, one thought is to add PNP BJTs as "current sources" (moreso voltage sources due to constant current sinks on the cathodes). Any thoughts on this?
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Base board? Sorry, I don't understand. It's a new PCB design, you can follow the progress here:
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Yep, the vertical spacing is the standard 15mm, the horizontal is 19mm to align with encoders. The pads would move around less if they were in blocks of 4*3, but strips of 1*4 at least hold together okay in the BLM 16*16 (an acrylic spacer helps).
Just throwing a concept here, nothing's concrete.
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SEQ concept using illuminated buttons in place of tact switches/LEDs.
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Top board (blue) is 108mm tall, bottom (green) is 100mm. The wooden box is an old wine case that happens to be about 133mm as the outside dimension. Inside is ~110mm, so a good facsimile for Euro rails.
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Thanks! Still needs a panel though ;)
latigid on's new MatriX :)
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It would be perfect for "Snake II"! Thumbstick to change the direction.