4 layers234 × 84 mm
Main panel
google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards
234 parts3kApache-2.0
2 layers90 × 98 mm
MIDIkeyboard
evathenarobotics-stack/MIDIkeyboardCreated an MIDI keyboard through KiCad using a PCB.
- Size
- 90 × 98 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 12
- Nets
- 25
- Pads
- 76
- Tracks, vias
- 168, 0
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 26 Oct 2026
- Updated
- 26 Oct 2026
Overview
MIDIkeyboard is an open-source printed circuit board by evathenarobotics-stack, from the evathenarobotics-stack/MIDIkeyboard repository on GitHub. It is a 2-layer board of 90 × 98 mm with 12 parts on 25 nets, routed with 168 tracks and 0 vias.
It is built around the SK6812MINI-E. Its parts include 4 switches, 3 diodes, 1 IC and 1 connector. It belongs with the ESP32 boards of this library.
Main components
1README
README.mdMIDIkeyboard
Created an MIDI keyboard through KiCad using a PCB.
This project took a lot of time and effort to complete since I had little knowledge regarding PCBs and schematics.
I started with drawing a schematic of my components using a Waveshare ESP32-S3-Zero microcontroller and other components.
Later, I turned the schematic into a PCB and added keys to the board and wires the components together to finish it.
- 1 × Waveshare ESP32-S3-Zero microcontroller
- 7 × Capacitive touch keys
- 1 × 7-pin connector
- 3 × Push buttons
- 1 × Rotary encoder
- 2 × Potentiometers/sliders
- 3 × SK6812MINI-E RGB LEDs
It was a very tough process, but I learned a lot about PCB.
Parts
12| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | SK6812MINI-E | LED_SMD:LED_SK6812MINI-E_3.2x2.8mm_P1.5mm_ReverseMount | D1, D2, D3 |
| 3 | SW_Push | Hackclub Footprints:Kailh Choc Low-Profile Switches | SW1, SW2, SW3 |
| 2 | Slider | Potentiometer_THT:Potentiometer_Bourns_PTA1543_Single_Slide | RV1, RV2 |
| 1 | Capacitive Touch Buttons | MIDICadfootprnt:Capacitive Keys | J1 |
| 1 | RotaryEncoder_Switch_MP | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW5 |
| 1 | Waveshare ESP32-S3-ZERO | Hackclub Footprints:Waveshare ESP32-S3-Zero | U1 |
The 11 most common of 12 parts.
Questions
How big is the MIDIkeyboard PCB?
It measures 90 × 98 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MIDIkeyboard use?
12 parts, built around the SK6812MINI-E. 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 MIDIkeyboard KiCad files?
From the evathenarobotics-stack/MIDIkeyboard repository on GitHub, at the commit this page was made from: the board is MIDIkeyboard.kicad_pcb and its schematic MIDIkeyboard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the MIDIkeyboard design in my own project?
Its repository states no licence, so its author keeps all rights: ask evathenarobotics-stack before reusing the design.
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