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2 layers42.1 × 41.8 mmMacropad, the printed circuit board in 3D

My first mini keyboard.

Size
42.1 × 41.8 mm
Copper layers
2
Thickness
1.6 mm
Parts
17
Nets
22
Pads
100
Tracks, vias
221, 27
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
4 Dec 2025
Updated
11 Dec 2025

Overview

Macropad is an open-source printed circuit board by 0ASLAN-dev0, from the 0ASLAN-dev0/AslanPad repository on GitHub. It is a 2-layer board of 42.1 × 41.8 mm with 17 parts on 22 nets, routed with 221 tracks and 27 vias.

Its parts include 8 diodes, 8 switches and 1 IC. It belongs with the keyboards and input boards and the RP2040 boards of this library.

README

README.md

AslanPad

Introduction

This is a little macropad I made, It consists of a Xiao RP2040, 8 Cherry MX Switches and 8 RGB LEDs, Its basically a little rgb keyboard that consits of eight keys that i've coded to be 1-8 thou that can be changed from the code, The 8 Backlight RGB LEDs circle through the color wheel in a smooth animation and to give a sense of feedback each key is assigned a color that shows up when that key is pressed. Thats it :).


Required Parts

1x Seeed XIAO RP2040 DIP, 8x Cherry MX-Style switches (Green preferably), 8x Blank DSA Keycaps, 8x SK6812 MINI-E LEDs, 4x M3x16mm screws, 1x 3D printed case (consists of two parts), 1x Soldering Iron/Kit, 1x PCB.


Images

Render

Render

Schematic

Schematic

PCB

PCB

Parts

17
QtyValueFootprintReferences
8MX_SK6812MINI-Emarbastlib-mx:LED_MX_6028RLED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8
8SW_PushButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8
1XIAO-RP2040-DIPXIAO_PCB:XIAO-RP2040-DIPU1

Questions

How big is the Macropad PCB?

It measures 42.1 × 41.8 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Macropad use?

17 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 0ASLAN-dev0/AslanPad repository on GitHub, at the commit this page was made from: the board is macropad/macropad.kicad_pcb and its schematic macropad/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 states no licence, so its author keeps all rights: ask 0ASLAN-dev0 before reusing the design.

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