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2 layers42.9 × 81 mmHackpad, the printed circuit board in 3D

A Starter Projekt from Hackclub Highway to Undercity

Size
42.9 × 81 mm
Copper layers
2
Thickness
1.6 mm
Parts
7
Nets
19
Pads
56
Tracks, vias
29, 0
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
30 May 2025
Updated
5 Jun 2025

Overview

Hackpad is an open-source printed circuit board by herrTechnok, from the herrTechnok/HackClub-Hackpad-Submission repository on GitHub. It is a 2-layer board of 42.9 × 81 mm with 7 parts on 19 nets, routed with 29 tracks and 0 vias.

It is built around the SK6812. Its parts include 4 switches, 2 diodes and 1 IC. It belongs with the RP2040 boards of this library.

Main components

1

README

README.md

HackClub-Hackpad-Submission

SchematicPCBCase
imageimageimage

What is it for?

I want to be able to easily control the lights on my desk using Shortcuts and Home Assistant.

Hurdles

It took me an hour to import the symbol and footprint libraries. 😅

BOM

  • 4x Cherry MX Blue
  • 2x SK6812 MINI Leds
  • 1x XIAO RP2040
  • 4x Beige DSA Keycaps
  • 4x M3x16 Bolt
  • 4x M3 Heatset

Parts

7
QtyValueFootprintReferences
4SW_PushButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW3, SW4
2SK6812LED_SMD:LED_SK6812_PLCC4_5.0x5.0mm_P3.2mmD1, D2
1XIAO-RP2040-DIPOPL:XIAO-RP2040-DIPU2

Questions

How big is the Hackpad PCB?

It measures 42.9 × 81 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Hackpad use?

7 parts, built around the SK6812. 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 herrTechnok/HackClub-Hackpad-Submission repository on GitHub, at the commit this page was made from: the board is Hackpad KiCad Projekt (PCB)/Hackpad.kicad_pcb and its schematic Hackpad KiCad Projekt (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 herrTechnok before reusing the design.

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