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2 layers63.5 × 66 mmHackpad, the printed circuit board in 3D

My personal macropad for media control. Features an OLED display and encoder knob for visualising music and volume control, and six addtional keys for useful shortcuts.

Size
63.5 × 66 mm
Copper layers
2
Thickness
1.6 mm
Parts
9
Nets
14
Pads
69
Tracks, vias
62, 6
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
6 Dec 2025
Updated
10 Dec 2025

Overview

Hackpad is an open-source printed circuit board by Fern518, from the Fern518/Chesters-Hackpad repository on GitHub. It is a 2-layer board of 63.5 × 66 mm with 9 parts on 14 nets, routed with 62 tracks and 6 vias.

Its parts include 7 switches, 1 IC and 1 connector. It belongs with the lEDs and displays and keyboards and input boards and the RP2040 boards of this library.

README

README.md

Chesters-Hackpad

A custom PCB-based macropad built for the Hack Club Blueprint program.

It functions as a miniature media dashboard: the display shows the current track (TO BE IMPLEMENTED), the knob controls volume, and the six keys can be bound to any shortcut.

The Hackpad

OverallPad Everything fits together using 4 M3 Bolts and Heatset inserts, one in each corner.

It has 2 separate printed pieces. The base, where the PCB sits, and the top cover, which protects the PCB.

caseTop caseSide caseSideBySide

PCB

My PCB was designed in KiCad. The XIAO is mounted on the bottom of the PCB to allow space for the OLED display.

Schematic: schematic

PCB: pcb

BOM:

  • 1x Case
  • 1x XIAO RP2040
  • 1x 0.91" 128x32 OLED Display
  • 1x EC11 Rotary Encoder
  • 6x Cherry MX Switches
  • 6x DSA Keycaps
  • 4x M3x5x4 Heatset inserts
  • 4x M3x16mm SHCS Bolts

Parts

9
QtyValueFootprintReferences
6SW_PushButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW3, SW4, SW5, SW6
1Conn_01x04Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ1
1RotaryEncoder_SwitchRotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mmSW7
1XIAO-RP2040-DIPOPL:XIAO-RP2040-DIPU1

Questions

How big is the Hackpad PCB?

It measures 63.5 × 66 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Hackpad use?

9 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 Hackpad KiCad files?

From the Fern518/Chesters-Hackpad repository on GitHub, at the commit this page was made from: the board is PCB/hackpad/hackpad.kicad_pcb and its schematic PCB/hackpad/OPL_Kicad_Library-master/Grove Vision AI V2 Library/Grove - Vision AI Module V2.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 Fern518 before reusing the design.

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