2 layers41.9 × 62.8 mm
2 layers23.9 × 62.8 mm
Column
AlaaSaadAbdo/Rommana105A 30 key well powered by Xiao BLE
- Size
- 23.9 × 62.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 34
- Nets
- 19
- Pads
- 97
- Tracks, vias
- 279, 8
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 12 Sep 2022
- Updated
- 23 Jun 2025
Overview
Column is an open-source printed circuit board by AlaaSaadAbdo, from the AlaaSaadAbdo/Rommana repository on GitHub. It is a 2-layer board of 23.9 × 62.8 mm with 34 parts on 19 nets, routed with 279 tracks and 8 vias.
Its parts include 5 connectors, 3 diodes and 3 switches.
README
README.mdRommana
A 30 key well powered by Xiao BLE
Parts
- MCU: 2x Seeeduino Xiao BLE
- On/Off Switch: 2x SS12 °F15 3 Pin On/On Mini Slide Switch
- Reset button: 2x 2 Pin DIP 6 x 6 x 5
- 30 MX switches
- Optional:
- Ameoba PCBS
- MX Hotswap sockets
Pictures
Build logs
Credits and references
Parts
34| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | G*** | kibuzzard-6399CA1D | kibuzzard-6399CA1D, kibuzzard-6399CA1D, kibuzzard-6399CA1D, kibuzzard-6399CA1D |
| 4 | G*** | kibuzzard-6399CA47 | kibuzzard-6399CA47, kibuzzard-6399CA47, kibuzzard-6399CA47, kibuzzard-6399CA47 |
| 4 | G*** | kibuzzard-6399CA4F | kibuzzard-6399CA4F, kibuzzard-6399CA4F, kibuzzard-6399CA4F, kibuzzard-6399CA4F |
| 4 | G*** | kibuzzard-6399CA3A | kibuzzard-6399CA3A, kibuzzard-6399CA3A, kibuzzard-6399CA3A, kibuzzard-6399CA3A |
| 3 | 1N4148 | Alaa:D_SOD-123-rotated | D1, D2, D3 |
| 3 | Conn_01x12_Socket | Alaa:FPC-SMD_FPC05012-09200-.5mm-rev | J1, J4, J6 |
| 3 | G*** | kibuzzard-63982C97 | kibuzzard-63982C97, kibuzzard-63982C97, kibuzzard-63982C97 |
| 3 | SW_Push | Alaa:kailh-mx-choc-direct-solder | SW1, SW2, SW3 |
| 2 | Conn_01x04_Female | Alaa:4x2THT | J3, J5 |
| 2 | G*** | kibuzzard-63982C76 | kibuzzard-63982C76, kibuzzard-63982C76 |
| 2 | G*** | kibuzzard-63982CB3 | kibuzzard-63982CB3, kibuzzard-63982CB3 |
Questions
How big is the Column PCB?
It measures 23.9 × 62.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Column use?
34 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.
Where can I download the Column KiCad files?
From the AlaaSaadAbdo/Rommana repository on GitHub, at the commit this page was made from: the board is PCB/Column - FFC/column.kicad_pcb and its schematic PCB/Column - FFC/column.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Column design in my own project?
Its repository states no licence, so its author keeps all rights: ask AlaaSaadAbdo before reusing the design.
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