HardLabs

Midi

goran-mahovlic·ulx3s-extensions·MIDI/midi.kicad_pcb

Midi PCB layout, top view — open source board by goran-mahovlic

About the Midi PCB

Midi is an open source PCB design by goran-mahovlic, published on GitHub under the MIT license. It is a 2-layer board measuring 87 × 19.5 mm, with 13 components from 12 distinct parts.

Other key parts include the RN5RK501A-TR-FE. By type, the board carries 5 connectors, 5 resistors, 1 IC, 1 diode and 1 capacitor.

It belongs with the audio designs in this gallery.

From the project

PMOD boards for ULX3S

[x] RFM9X [x] OV7670 [x] GPDI Input/output [x] MLX90640 [x] I2S microphone [x] DB9 [x] SD Card [x] MAX31855 [x] ENC28J60 [o] I2S Audio [o] MIDI in/out [o] Poteciometers [o] VGA [ ] Rotary encoder [ ] DC Motor with encoder [ ] LCD - DS90CF363B [ ] CH376 [ ] CAN bus [ ] LVDS [x] SX1257 - Already in development [x] RaspiCam - https://github.com/daveshah1/pmods

Helping hands: Marvin(Radiona), Emard(Radiona), Prizma(Radiona), mmicko, Drew Fustini (OSH Park), SnapEDA, smunaut(tnt)

Midi, from the project README
From the project README

Main components on the Midi

RN5RK501A-TR-FE

Midi bill of materials (BOM)

13 components, 12 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
RN5RK501A-TR-FE
TLP2361
Ricoh
U1
1
MIDI-IN
J1
1
MIDI_OUT
J2
1
MIDI-THROUGH
J3
1
PMOD
J4
1
EXT
J5
1
MBR0520LT1G
1N4148
ON Semiconductor
D1
1
CC0603KRX7R8BB224
0.1u
Yageo
C1
1
RC0603FR-07510RL
30R
Yageo
R1
1
AC0603FR-074K7L
10R
Yageo
R2
2
AC0603FR-073K3L
220R
Yageo
R3, R4
1
ERJ-3EKF1003V
220R
Panasonic
R5

Midi design files

The KiCad project lives in the goran-mahovlic/ulx3s-extensions repository on GitHub; these links point at the commit this page was built from.

Midi: common questions

How big is the Midi PCB?

The Midi measures 87 × 19.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Midi?

13 components, from 12 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 design files?

From the goran-mahovlic/ulx3s-extensions repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Midi design in my own project?

Yes, under the terms of its MIT license, which goran-mahovlic chose for the repository.

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