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Midi controller

petitechose-midi-studio·hardware·pcb/kicad/midi_controller.kicad_pcb

Midi controller PCB layout, top view — open source board by petitechose-midi-studio
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About the Midi controller PCB

Midi controller is an open source PCB design by petitechose-midi-studio, published on GitHub under the CERN-OHL-S-2.0 license. It is a 4-layer board measuring 164 × 164 mm, with 112 components from 22 distinct parts.

Other key parts include the CD74HC4067M, 6N137 and C5605. By type, the board carries 45 capacitors, 37 diodes, 13 resistors, 9 connectors, 4 inductors and 3 ICs.

It belongs with the audio designs in this gallery.

From the project

Open-source hardware design files for the MIDI Studio controller.

Open-source hardware design files for the MIDI Studio controller.

Teensy 4.1 based MIDI controller with ILI9341 display, 10 rotary encoders, and 15 buttons.

- MCU: Teensy 4.1 (ARM Cortex-M7; hardware rated up to 600 MHz, with MIDI Studio firmware configured at 450 MHz) - RAM: 8 MB PSRAM (mandatory - soldered on underside pads) - Display: ILI9341 2.8" TFT (320x240, SPI) - Encoders: - 8x Bourns PEC11R rotary encoders (24 PPR, smooth, with push button) - 1x Bourns PEC11R rotary encoder (24 PPR, detented, with push button) - 1x E38S6G5 optical encoder (600 PPR, high-resolution) - Button inputs…

Main components on the Midi controller

CD74HC4067M6N137C5605

Midi controller bill of materials (BOM)

112 components, 22 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
CD74HC4067M
U1
1
6N137
U2
1
C5605
74HC14D,653
Nexperia
U3
2
CONN_01X24_SOCKET
Conn_01x24_Socket
J3, J6
6
CONN_01X02_SOCKET
Conn_01x02_Socket
J4, J5, J7, J9, J10, J11
1
CONN_01X05
Conn_01x05
J8
1
C883101
Fuse
F1
37
PESD5V0L1BA,115
D1, D2, D3, D4, D5, D6, D7, D8 +29
4
C1015
~
Sunlord
FB1, FB2, FB3, FB4
28
100NF
100nF
YAGEO
C1, C2, C3, C5, C6, C7, C8, C9 +20
3
10UF
10uF
Samsung Electro-Mechanics
C4, C31, C35
1
100PF
100pF
Samsung Electro-Mechanics
C22
1
100UF
100uF
Samsung Electro-Mechanics
C23
2
1NF
1nF
Samsung Electro-Mechanics
C24, C37
7
100NF
100nF
Samsung Electro-Mechanics
C25, C26, C28, C30, C32, C34, C36
2
47UF
47uF
Samsung Electro-Mechanics
C27, C33
1
10NF
10nF
FH(Guangdong Fenghua Advanced Tech)
C29
4
33Ω
UNI-ROYAL(Uniroyal Elec)
R1, R6, R7, R8
4
100
R2, R3, R4, R5
3
220
R9, R11, R12
Show 2 more
QtyPartRefs
1
1k
R10
1
220
R13

Midi controller design files

The KiCad project lives in the petitechose-midi-studio/hardware repository on GitHub; these links point at the commit this page was built from.

Midi controller: common questions

How big is the Midi controller PCB?

The Midi controller measures 164 × 164 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Midi controller?

112 components, from 22 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Midi controller design files?

From the petitechose-midi-studio/hardware repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Midi controller design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which petitechose-midi-studio chose for the repository.

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