

this is for Half life week 3 where i learn how to turn circuts into sound by creating a Midi Keyboard
- Size
- 220 × 97.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 9
- Nets
- 71
- Pads
- 116
- Tracks, vias
- 97, 0
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 22 Oct 2026
- Updated
- 26 Oct 2026
Overview
Midi is an open-source printed circuit board by CtrlAltSleep, from the CtrlAltSleep/Midi-Keyboard repository on GitHub. It is a 2-layer board of 220 × 97.5 mm with 9 parts on 71 nets, routed with 97 tracks and 0 vias.
It belongs with the audio and music boards and the RP2040 boards of this library.
README
README.mdMidi-Keyboard
this is for Half life week 3 where i learn how to turn circuits into sound by creating a Midi Keyboard. this was made in KICad software and i designed it to be as simple as possible to understand for begginers
here are images people might find necessary to understand
Parts
9| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | SW_Push | Button_Switch_THT:SW_PUSH_6mm_H4.3mm | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 |
| 1 | RaspberryPi_Pico | Module:RaspberryPi_Pico_Common_Unspecified | A1 |
Questions
How big is the Midi PCB?
It measures 220 × 97.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Midi use?
9 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Midi KiCad files?
From the CtrlAltSleep/Midi-Keyboard repository on GitHub, at the commit this page was made from: the board is midi.kicad_pcb and its schematic midi.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Midi design in my own project?
Its repository states no licence, so its author keeps all rights: ask CtrlAltSleep before reusing the design.
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