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

Macropad featuring PicoRuby
PicoRubyMacroPad is an open-source printed circuit board by eswai, from the eswai/PicoRubyMacroPad repository on GitHub. It is a 2-layer board of 99.8 × 91.4 mm with 30 parts on 51 nets, routed with 143 tracks and 1 via.
Its parts include 14 diodes, 11 switches and 1 IC. It belongs with the keyboards and input boards and the RP2040 boards of this library.

| Name | Part number | Quantity |
|---|---|---|
| MCU | Raspberry Pi Pico | 1 |
| Pin header | 20pin | 2 |
| PCB | PicoRubyMacroPad_PCB | 1 |
| Bottom plate | PicoRubyMacroPad_Plate | 1 |
| MX-compaible key switch | 5pins | 11 |
| Diode | 1N4148 TH or SMD | 11 |
| Stand-off | M2 L5.5mm or longer | 4 |
| Screw | M2 L4mm | 8 |
| Keycap | 1U | 10 |
| Keycap | 2.75U | 1 |
| PCB Stabilizer | 2U | 1 |
| LED | SK6812MINI-E | 3 |
| Adhesive rubber feet | Dia.9mm or smaller | 4 |
| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | D | kbd:D3_TH_SMD_v2 | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11 |
| 10 | SW_Push | MX_Only:MXOnly-1U-NoLED | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10 |
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2 | H1, H2, H3, H4 |
| 3 | YS-SK6812MINI-E | kbd:YS-SK6812MINI-E | LED1, LED2, LED3 |
| 1 | Pico | MCU_RaspberryPi_and_Boards:RPi_Pico_SMD_TH | U1 |
| 1 | SW_Push | MX_Only:MXOnly-2.75U-ReversedStabilizers-NoLED | SW11 |

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


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It measures 99.8 × 91.4 mm and has 2 copper layers, 1.6 mm thick.
30 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 eswai/PicoRubyMacroPad repository on GitHub, at the commit this page was made from: the board is PicoRubyMacroPad_PCB/PicoRubyMacroPad.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 eswai before reusing the design.