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google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards

Hi! This is my hackpad created as part of Hack Club's hackpad YSWS program - hackpad.hackclub.com
Peter hackpad is an open-source printed circuit board by peterxn123, from the peterxn123/peters-hackpad repository on GitHub. It is a 2-layer board of 61.9 × 63.6 mm with 10 parts on 16 nets, routed with 87 tracks and 2 vias.
It is built around the SK6812MINI-E. Its parts include 7 switches, 2 diodes and 1 IC. It belongs with the RP2040 boards of this library.
Physical build:
Hi! This is my hackpad created as part of Hack Club's hackpad YSWS program - hackpad.hackclub.com
To be honest, this was one of my first times using Fusion and my first ever time using KiCad! I wanted to make something with a clean slanted design for good ergonomic input, 6 keys, RGB neopixels for cool backlighting and a rotary encoder for volume control.
BOM:
Schematic:
PCB design:
Case:
| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCB | SW1, SW2, SW3, SW4, SW5, SW6 |
| 2 | SK6812MINI | LED_SMD:LED_SK6812MINI_PLCC4_3.5x3.5mm_P1.75mm | D1, D2 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW7 |
| 1 | XIAO-RP2040-DIP | OPL:XIAO-RP2040-DIP | U1 |
It measures 61.9 × 63.6 mm and has 2 copper layers, 1.6 mm thick.
10 parts, built around the SK6812MINI-E. 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 peterxn123/peters-hackpad repository on GitHub, at the commit this page was made from: the board is PCB/peter-hackpad.kicad_pcb and its schematic PCB/peter-hackpad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask peterxn123 before reusing the design.

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