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

my own hackpad
Hackpad is an open-source printed circuit board by FayVince, from the FayVince/hackpad repository on GitHub. It is a 2-layer board of 75 × 70 mm with 11 parts on 14 nets, routed with 68 tracks and 0 vias.
Its parts include 6 switches and 1 IC.
I just wanted to make external arrows with a clean design. I added a volume controller and an esc key too.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCB | SW1, SW2, SW3, SW4, SW5 |
| 1 | MOUDLE-SEEEDUINO-XIAO | footprints:XIAO-Generic-Hybrid-14P-2.54-21X17.8MM | U1 |
| 1 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW6 |
The 7 most common of 11 parts.
It measures 75 × 70 mm and has 2 copper layers, 1.6 mm thick.
11 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.
From the FayVince/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.
Its repository states no licence, so its author keeps all rights: ask FayVince before reusing the design.

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


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