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2 layers99 × 74.5 mmMacropad, the printed circuit board in 3D

I am building a macropad with an OLED screen, this macropad allows me to play games on it while also opening certain applications or conduct specific commands on my laptop.

Size
99 × 74.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
11
Nets
13
Pads
63
Tracks, vias
83, 0
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
13 Aug 2026
Updated
23 Oct 2026

Overview

Macropad is an open-source printed circuit board by JH-2108, from the JH-2108/Macropad repository on GitHub, published under the MIT licence. It is a 2-layer board of 99 × 74.5 mm with 11 parts on 13 nets, routed with 83 tracks and 0 vias.

Its parts include 9 switches, 1 IC and 1 connector. It belongs with the keyboards and input and lEDs and displays boards of this library.

README

README.md

Macropad

A custom 9-key macropad built from scratch using KiCad, featuring a Seeed Studio XIAO microcontroller and a 0.91" OLED display.

Features

  • 9 mechanical keys
  • 0.91" OLED display
  • Seeed Studio XIAO microcontroller
  • USB-C connectivity
  • Programmable keys for shortcuts, macros, and other functions
  • Designed as a custom DIY hardware project

Screenshots of my Hackpad

My Overall Hackpad

My Overall Hackpad

Schematics image

PCB Design

image

Connecting the Case and PCB

Case and PCB

Challenges

During the entire design process, I did not face as many challenges as one would being a beginner to creating a Hackpad, before I started this project, I already had the basic understanding of how Fusion360 works, the only thing I needed to master and know are how to created the PCB and the firmware for my Hackpad to successfully function. In order to solve this issue, I went online; searched for tutorials, asked my friend who has a deep sense of love in coding and programming; through these resources, I was able to fully finish designing my Hackpad. For beginners reading this, I believe that you are able to make one too, just like I did!!!

BOM

This is everything that you should prepare in order to make this Hackpad

ComponentQuantity
Seeed Studio XIAO1
Mechanical key switches9
Keycaps9
0.91" OLED display1
Custom PCB1
USB-C connection1

Repository Structure

text
macropad/
├── README.md
├── PCB/
│   ├── macropad.kicad_pro
│   ├── macropad.kicad_sch
│   ├── macropad.kicad_pcb
├── CAD files/
│   ├─ base
│   ├─ plate 
├── images/
└── LICENSE

Firmware

The firmware will control the macropad's keys and OLED display.

Planned functionality includes:

  • Custom key mappings
  • Keyboard shortcuts
  • Macro support
  • OLED status display
  • Future customizable profiles

Tools

  • KiCad — PCB and schematic design
  • Arduino / PlatformIO — Firmware development
  • GitHub — Version control and project documentation

License

This project is open source. See the LICENSE file for details.

Credits

Designed and built by JH as a personal hardware and electronics project(and tool)!


If you find this project interesting, feel free to take inspiration from it!!! :)

Parts

11
QtyValueFootprintReferences
9SW_PushButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9
1Conn_01x04Footprint:SSD1306-0.91-OLED-4pin-128x32J1
1MOUDLE-SEEEDUINO-XIAOFootprint:XIAO-Generic-Hybrid-14P-2.54-21X17.8MMU1

Questions

How big is the Macropad PCB?

It measures 99 × 74.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Macropad use?

11 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 Macropad KiCad files?

From the JH-2108/Macropad repository on GitHub, at the commit this page was made from: the board is PCB/Macropad.kicad_pcb and its schematic PCB/Macropad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Macropad design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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