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2 layers69.1 × 95.2 mmHackpad, the printed circuit board in 3D

My own custom macropad :o

Size
69.1 × 95.2 mm
Copper layers
2
Thickness
1.6 mm
Parts
22
Nets
25
Pads
103
Tracks, vias
120, 1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
29 Nov 2025
Updated
2 Dec 2025

Overview

Hackpad is an open-source printed circuit board by FoxyIsCoding, from the FoxyIsCoding/meowpad repository on GitHub. It is a 2-layer board of 69.1 × 95.2 mm with 22 parts on 25 nets, routed with 120 tracks and 1 via.

It is built around the 1N4148WT. Its parts include 9 diodes, 9 switches and 3 ICs. It belongs with the keyboards and input boards of this library.

Main components

1

README

README.md

MeowPad :3

Meowpad License ​ Status

Meowpad is a tiny, macropad built around the Seeed XIAO RP2040, focused on simple wiring, easy firmware, and clean aesthetics.​ It gives you 9 programmable keys, an OLED screen, and RGB accents.

In future with VIA macro editor support :3

Here are the pictures of the PCB and the Case design

Screenshots

Overall hackpad:

image

Schematic:

image

PCB:

image

Case:

image

BOM:

  • Seeed XIAO RP2040 x1
  • Through-hole 1N4148 Diodes x9
  • Cherry MX switches x9
  • PCB x1
  • 0.96 inch OLED displays x1
  • SK6812 MINI-E LEDs x2
  • Blank DSA keycaps
  • M3x16mm screws

Parts

22
QtyValueFootprintReferences
91N4148WTDiode_THT:D_DO-34_SOD68_P7.62mm_HorizontalD1, D2, D3, D4, D5, D6, D7, D8, D9
9SW_Push_45degButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9
2~LED_SMD:LED_SK6812MINI_PLCC4_3.5x3.5mm_P1.75mmU2, U3
1SSD1306TG9541:Display_128x64_096_I2CBrd1
1XIAO-SAMD21-SMDSeeed Studio XIAO Series Library:XIAO-RP2040-DIPU1

Questions

How big is the Hackpad PCB?

It measures 69.1 × 95.2 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Hackpad use?

22 parts, built around the 1N4148WT. 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 Hackpad KiCad files?

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

Can I use the Hackpad design in my own project?

Its repository states no licence, so its author keeps all rights: ask FoxyIsCoding before reusing the design.

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