## Introduction: Modular Keyboard Workstation/midi Controller W/ Modular Keybed

from my scratches .. من خربشاتي

https://3dwarehouse.sketchup.com/model.html?id=u3958596a-88d4-47cd-9627-98a072f91c2d

midi_controller_work_station_64 ideas blueprints - first steps

unit used in inches

raise the precision to 1/64"

black keys are not sketched .. just consider 1/16" gap at each side of a black key

keybed construction is very modular:

64-keys consists of two main subsets of 32-keys ..

main_subset1: A0 to E3 & main_subset2: F5 to C8

then each set is divided into 3 subsets

main subset1 devides into

subset1: 8-keys A0 to E1 ..

subset2: 12-key (an octave inverted) F1 to E2 ..

subset3: 12-key F2 to E3

main subset2 devides into

subset4: 12-key F5 to E6 ..

subset5: 12-keys F6 to E7 ..

subset6: 8-keys F7 to C8

for 76-keys version add a 12-key subset7 attached to either main_subset1 F3 to E4 for example or attached to main_subset2 F4 to E5

for 88-keys version add an onther 12-key subset8 attached to the other main_subset, for example main_subset1 F3 to E4 if free or attached to main_subset2 F4 to E5

for 76-keys version (inverted) ...

swap the 8-keys subset1 in main_subset1 with 8-keys subset6 in main_subset2 & then invert the keys allocation .. then swap 12-keys subset2 with subset5 & subset3 with subset4 & maybe attach subset7 to the other main_subset

.. then consider each 12-keys subset to be consisted of two subsets: 7-keys F to B & 5-keys C to E ..

swap these two subsets within the same 12-keys subset then reallocate the entire keys of those 7-keys & 5-keys subsets to be inverted

and with respect to the matrix scanner or the under-keys sensor boards

take it as 4x2 matrix for the 8-keys subsets (A0 to C1 & C#1 to E1)&(F7 to G#7 & A7 to C8)

and 4x3 for the 12-keys subsets (F to G# & A to C & C# to E)

and consider the 12-keys as a whole subset and consider to group each main_subset with each other by connections then treat each main_subset with scanner board as one matrix or scan each subset by itself

## Step 1:

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just an idea .. that the keybedis weighted synth-action keybed that electromagnetically attaches/releases hammer mechanism to become a weighted hammaer-action