[sdiy] Midi Drums

Mike HEQX mike at heqx.com
Thu Feb 8 05:10:14 CET 2018


How do they generate velocity? Is it done with an AD conversion? OR is 
it a timing thing between two events like a keybed?


On 2/7/2018 7:38 PM, Quincas Moreira wrote:
> Yeah, pads are basically just rubberized keys. They will generate the 
> usual info, note on, note off, velocity and note number. Sometimes 
> aftertouch too
>
> On Wed, Feb 7, 2018 at 6:19 PM, Tim Ressel <timr at circuitabbey.com 
> <mailto:timr at circuitabbey.com>> wrote:
>
>     ayee,
>
>     So like, how do midi drums work? I am playing with a Korg Nano Pad
>     II and looking at the midi flow with my scope (i know, lame).
>     Something I am curious about: I get a burst when I hit a pad (
>     expected) and another burst when I release it. Huh? Is that a note
>     off command? Is it treated like a key being pressed it you hit and
>     hold?
>
>     Btw the MidiHost
>     <http://www.hobbytronics.co.uk/usb-host/usb-host-board-v2> thingie
>     from HobbyTronics is pretty cool. Eventually I will have to
>     conquer doing USB Midi on an STM32, but for now I am having fun
>     with this gizmo. I think I'll turn this one into a new-to-old Midi
>     Convertor, and get a few more for the Washington of it.
>
>
>     --Tim Ressel
>     Circuit Abbey
>     timr at circuitabbey.com <mailto:timr at circuitabbey.com>
>
>
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>
>
> -- 
> Quincas Moreira
> Test Pilot at VBrazil Modular
>
>
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