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MIDIbox64 with button matrices


Guest smurky

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Hi Folks,

Forgive me if this is a stupid newbie question (but I have been searching the forums pretty diligently...).

If I understand this Tip & Tricks topic correctly:

http://www.midibox.org/forum/index.php/topic,3216.0.html

Then it is possible to connect more than 64 buttons to a MIDIbox64, the "up to 64 buttons" limit is actually an "up to 2 * DINX4" limit."

Is this the case? Can I build a MIDIbox64 that has two 8x8 button matrices (32 pins), 30 buttons standard connection (30 pins), 1 rotary encoder replacing +/- buttons (2 pins), and 64 analog ins?

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Welcome aboard!

Well yes and no.... the hardware is capable of interfacing with >64 buttons (as per ucapps.de you can find the limit, which is usually given as 128, but actually means 4*DINx4)

The MB64 app only supports 64 buttons, in a non-matrix configuration. I think that old post you found is intended as a concept, but was not ever actually implemented in the software. There was another thread about using a matrix on MB64 recently. If you're a bit clever with your PIC ASM, perhaps you could make your concept work....

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