[sdiy] Looking for a tinny MIDI controller (patch change needs for Roland GR-55)

Jean-Pierre Desrochers jpdesroc at oricom.ca
Fri Apr 29 19:17:50 CEST 2016

Thanks GB for your nice reply,

But the GR-55 has a huge number of presets to access:
270 factory presets,
297 user in guitar mode,
90 preset/ 297 user in bass mode

So the Gecko only access 127 preset max.
and if I go pcboard kit I'll prefer using
my design stuff and build one.

Still looking around..

Le 2016-04-29 12:02, MTG a écrit :
> Are you looking for a circuit board or product?  Highly Liquid make
> the former and Gecko the latter.
> GB
> www.musictechnologiesgroup.com
> On 4/29/2016 7:18 AM, Jean-Pierre Desrochers wrote:
>> I just bought a Roland GR-55 guitar synthesizer
>> which is a nice instrument. Lots of nice presets to use..
>> After playing with it for a while I found it difficult
>> to rapidly change preset patches on the fly (for example in live
>> situations).
>> The user needs to step on the 2 first footswitches at the same time
>> then go UP/DOWN to the patch number he needs, then select
>> the preset# (1,2 or 3) on that specific patch.. annoying !
>> Since the GR-55 has a MIDI input I designed a small MIDI foot 
>> controller
>> that has 3 rows of 6 preset switches. That's 18 presets ready to be
>> selected fast.
>> I use my device now for selection.
>> The GR has four groups of presets: LEAD, RHYTHM, OTHER and.... USER.
>> So I programmed my MIDI controller to select the first 18 USER presets
>> by MIDI means. Now that I have this working and I'm happy with that
>> I'm looking for a tinny MIDI controller that would do a simple UP/DOWN
>> patch preset number selection for ALL the GR presets.
>> This one would be used only to go around all the available presets
>> at first to 'choose' the bests ones then copy them at my USER group's
>> first 18 locations. No stepping on GR footswitches.
>> I've seen lots of disc jockey MIDI controllers with many pads
>> and gadgets but I don't need that much for my needs.
>> Any suggestions ?
>> Thanks.
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