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2 layers79.9 × 119.9 mmHackPad, the printed circuit board in 3D

This sigma HackPad is a numpad style doo dad.

Size
79.9 × 119.9 mm
Copper layers
2
Thickness
1.6 mm
Parts
34
Nets
32
Pads
161
Tracks, vias
183, 6
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
30 Jun 2025
Updated
8 Jul 2025

Overview

HackPad is an open-source printed circuit board by Shaun475, from the Shaun475/HackPad repository on GitHub. It is a 2-layer board of 79.9 × 119.9 mm with 34 parts on 32 nets, routed with 183 tracks and 6 vias.

It is built around the 1N4148WS. Its parts include 17 switches, 16 diodes and 1 IC. It belongs with the RP2040 boards of this library.

Main components

1

README

README.md

Shaun's Epic HackPad

This sigma HackPad is a numpad style doo dad.

Bill of Materials

Devlog

Pictures

PCB Schematic Case Case Top ![case back view] (Screenshot 2025-07-07 at 2 21 37 PM)

case_thing

Parts

34
QtyValueFootprintReferences
161N4148WSDiode_SMD:D_SOD-323D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16
13SW_Push_45degButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW2, SW3, SW4, SW6, SW7, SW8, SW9, SW10, SW12, SW13, SW14, SW15, SW16
3SW_Push_45degButton_Switch_Keyboard:SW_Cherry_MX_2.00u_PCBSW5, SW11, SW17
1RotaryEncoder_Switch_MPRotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm_MountingHolesSW1
1XIAO-RP2040-DIPSeeed Studio XIAO Series Library:XIAO-RP2040-DIPU1

Questions

How big is the HackPad PCB?

It measures 79.9 × 119.9 mm and has 2 copper layers, 1.6 mm thick.

What parts does the HackPad use?

34 parts, built around the 1N4148WS. 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 Shaun475/HackPad 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 Shaun475 before reusing the design.

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