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2 layers78.6 × 82.3 mmHackpad, the printed circuit board in 3D
Size
78.6 × 82.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
25
Nets
27
Pads
136
Tracks, vias
214, 10
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
27 Jun 2025
Updated
27 Aug 2025

Overview

Hackpad is an open-source printed circuit board by koreem-ahmed, from the koreem-ahmed/hackpad repository on GitHub. It is a 2-layer board of 78.6 × 82.3 mm with 25 parts on 27 nets, routed with 214 tracks and 10 vias.

It is built around the SK6812. Its parts include 13 diodes, 10 switches, 1 IC and 1 connector. It belongs with the RP2040 boards of this library.

Main components

1

README

README.md

hackpad

This is my hackpad, which has a roller, an OLED display, and 9 keys, and of course, the Pi2040. The hackpad is like a control set, which serves a unique purpose for every key. In my case, the first key is opening YouTube, and so on. It acts like a keyboard but for fast and small functions.

the pcb

image

the schematic

image

the hole Hack pad

image

upper part

image

lower part

image image

the BOM

all the components are in the kit. the Oled 9 switches 9 diodes 1 XIAO 1 roller and 4 rpg light leads.

Parts

25
QtyValueFootprintReferences
91N4148Diode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD5, D6, D7, D8, D9, D10, D11, D12, D13
9SW_PushScottoKeebs_Hotswap:Hotswap_MX_1.00uSW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9
4SK6812LED_SMD:LED_SK6812MINI_PLCC4_3.5x3.5mm_P1.75mmD1, D2, D3, D4
1Conn_01x04_PinScottoKeebs_Components:OLED_128x32J1
1RotaryEncoderScottoKeebs_Scotto:Encoder_EC11_MXSW11
1XIAO-RP2040-DIPScottoKeebs_MCU:Seeed_XIAO_RP2040U2

Questions

How big is the Hackpad PCB?

It measures 78.6 × 82.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Hackpad use?

25 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 koreem-ahmed/hackpad repository on GitHub, at the commit this page was made from: the board is Hack pad PCB/hack pad.kicad_pcb and its schematic Hack pad PCB/hack pad.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 koreem-ahmed before reusing the design.

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