Midibox
lmdsp·midibox·oled/oled.kicad_pcb
About the Midibox PCB
Midibox is an open source PCB design by lmdsp, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 256 × 29 mm, with 13 components from 6 distinct parts.
By type, the board carries 9 capacitors, 2 connectors, 1 jumper and 1 resistor.
It belongs with the displays & leds, audio and dev boards & breakouts designs in this gallery.
From the project
PCBs for midibox.org modules
A collection of schematics and printed circuit board layouts for various Midibox NG modules, made with KiCAD. The designs were made with MCU style MIDI control surfaces in mind, but could also be useful for other applications.
- Midibox PCBs - OLED carrier board - Bill of materials - Assembly - Connections - Internal power - External power - PCB top side / OLED pin headers - PCB bottom side / other components - TODO

Midibox bill of materials (BOM)
13 components, 6 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_02x08_Odd_Even | IDC-Header_2x08_P2.54mm_Vertical | J1 |
| 1 | Conn_01x02 | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J2 |
| 1 | Jumper_3_Bridged12 | PinHeader_1x03_P2.54mm_Vertical | JP1 |
| 8 | 100nF | C_Disc_D3.0mm_W2.0mm_P2.50mm | C1, C2, C3, C4, C5, C6, C7, C8 |
| 1 | 10µF | CP_Radial_D5.0mm_P2.50mm | C9 |
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
Midibox design files
The KiCad project lives in the lmdsp/midibox repository on GitHub; these links point at the commit this page was built from.
- Layoutoled/oled.kicad_pcb
Midibox: common questions
How big is the Midibox PCB?
The Midibox measures 256 × 29 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Midibox?
13 components, from 6 distinct parts. The full bill of materials is listed on this page.
Where can I download the Midibox design files?
From the lmdsp/midibox repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Midibox design in my own project?
It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.
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