
Touchpad top
UltimateHackingKeyboard/touchpad-electronics
The electronics files of the touchpad module

The electronics files of the touchpad module
Touchpad bottom is an open-source printed circuit board by UltimateHackingKeyboard, from the UltimateHackingKeyboard/touchpad-electronics repository on GitHub. It is a 2-layer board of 27.5 × 18.6 mm with 6 parts on 5 nets, routed with 15 tracks and 0 vias.
It is built around the HLW4R-2C7LF.
Contained are the schematics and board layout KiCad files for the Ultimate Hacking Keyboard touchpad module.
Make sure to clone this repo with:
git clone --recursive git@github.com:UltimateHackingKeyboard/touchpad-electronics.git
| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | UGL:hole_2.8mm | , , | |
| 1 | BP167911-05340H0A | UGL:UHK_Male_Pogo_Pin_v2 | P2 |
| 1 | HLW4R-2C7LF | UGL:HLW4R-2C7LF | P1 |
| 1 | LOGO | UGL:UHK_Logo_12x3.4_mm | G*** |
It measures 27.5 × 18.6 mm and has 2 copper layers, 1.6 mm thick.
6 parts, built around the HLW4R-2C7LF. 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.
From the UltimateHackingKeyboard/touchpad-electronics repository on GitHub, at the commit this page was made from: the board is bottom/touchpad-bottom.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask UltimateHackingKeyboard before reusing the design.

UltimateHackingKeyboard/touchpad-electronics
The electronics files of the touchpad module

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