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

yeah its just the hackpad thing i painstakingly made myself
Hackpaderdelta is an open-source printed circuit board by turg13r, from the turg13r/hackpadd repository on GitHub. It is a 2-layer board of 69 × 66 mm with 9 parts on 16 nets, routed with 147 tracks and 0 vias.
It is built around the SK6812MINI-E. Its parts include 5 switches, 2 diodes, 1 IC and 1 connector.
# hackpad
This is my hackpad thingy. You can use it by clicking on the keyboard
I made the project cause I really wanted to try using kicad and all this new software.
# CAD
# PCB
# SCHEMATIC
- 4 Cherry MX Switches
- 4 DSA Keycaps
- 4 m3x13mm screws
- 4 3x5x4 DSA heatset inserts
- 1 EC11E Rotary Encoder
- 1 XIAO SEEED RP2040
- 2 SK6812 Mini-E LEDs
- 1 0.91" 128x32 OLED Display
- 1 Case (2 3d printed parts. top and bottom)
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | SW_Push | Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCB | SW1, SW2, SW3, SW4 |
| 2 | SK6812MINI-E | hackpad:SK6812MINI-E_fixed | D1, D3 |
| 1 | Conn_01x04_Pin | hackpad_peripherals:SSD1306-0.91-OLED-4pin-128x32 | J1 |
| 1 | MOUDLE-SEEEDUINO-XIAO | hackpad:XIAO-Generic-Hybrid-14P-2.54-21X17.8MM | U1 |
| 1 | RotaryEncoder_Switch | hackpad_peripherals:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm_CircularMountingHoles | SW5 |
It measures 69 × 66 mm and has 2 copper layers, 1.6 mm thick.
9 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 turg13r/hackpadd repository on GitHub, at the commit this page was made from: the board is pcb/hackpaderdelta.kicad_pcb and its schematic pcb/hackpaderdelta.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 turg13r before reusing the design.

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