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2 layers76.2 × 54.4 mmHackpad, the printed circuit board in 3D

Features: - Skip track - Rewind track - Play / Pause - Mute / Unmute - Display - Does nothing for right now. I might change it later to include playback info from the plugged in device.

Size
76.2 × 54.4 mm
Copper layers
2
Thickness
1.6 mm
Parts
6
Nets
14
Pads
52
Tracks, vias
60, 0
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
27 Nov 2025
Updated
5 Jan 2026

Overview

Hackpad is an open-source printed circuit board by JayGgit, from the JayGgit/MusicPad repository on GitHub. It is a 2-layer board of 76.2 × 54.4 mm with 6 parts on 14 nets, routed with 60 tracks and 0 vias.

Its parts include 4 switches and 1 IC. It belongs with the RP2040 boards of this library.

README

README.md

MusicPad

Made for Hackclub's Blueprint

A super simple music control pad.

Features:

  • Skip track
  • Rewind track
  • Play / Pause
  • Mute / Unmute
  • Display - Does nothing for right now. I might change it later to include playback info from the plugged in device.

Full MusicPad Schematic Full HackPad with case MusicPad in real life Back of the MusicPad in real life PCB: Schematic PCB PCB in real life 3d Printed Case: Case + PCB

BOM:

  • 4x - Cherry MX Switches
  • 1x - XIAO RP2040
  • 1x - 128x32 0.91in OLED Display
  • 4x - Blank DSA Keycaps
  • 4x - M3x16 Bolts
  • 4x - M3 Heatset
  • (3d printed parts)

Parts

6
QtyValueFootprintReferences
4SW_PushButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW3, SW4
1XIAO-RP2040-DIPOPL:XIAO-RP2040-DIPU1
1~OLED:I2C_OLED_DISPLAYI2C_OLED_DISPLAY1

Questions

How big is the Hackpad PCB?

It measures 76.2 × 54.4 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Hackpad use?

6 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 JayGgit/MusicPad 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 JayGgit before reusing the design.

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