2 layers136 × 91.7 mm
One
ergonautkb/one
Ergonaut One is an open-source ergonomic wireless split mechanical keyboard designed by Ergonaut Keyboards.
56 parts210CERN-OHL-P-2.0
2 layers96 × 77 mm
Thorium pcbr
note96e/thorium38- Size
- 96 × 77 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 40
- Nets
- 34
- Pads
- 174
- Tracks, vias
- 312, 105
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 30 Sep 2023
- Updated
- 4 May 2026
Overview
Thorium pcbr is an open-source printed circuit board by note96e, from the note96e/thorium repository on GitHub. It is a 2-layer board of 96 × 77 mm with 40 parts on 34 nets, routed with 312 tracks and 105 vias.
It is built around the XIAO NRF52840. Its parts include 18 switches, 17 diodes and 1 IC. It belongs with the nRF52 and nRF5x boards of this library.
Main components
1README
README.mdThorium keyboard
[!NOTE] The design of the case and plate has been partially updated. Please be aware that the actual product may differ slightly from the photos shown.
Features
- ortholinear
- 34-keys
- wireless
- split
- dongle
- MX switches, hotswap
- small PCB (96mm*77mm)
- 3D printed cases and plates
- lipo battery (260mAh)
- Seeed Studio XIAO nRF52840
- ZMK Firmware
- ZMK Studio
- (Optional) Raytac MDBT50Q-RX
- (Optional) foam (reduce noise)
Resources
- Build guide
- PCB files (KiCad7, .zip(gerbers)): Left | Right
- 3DP files (.f3d, .step)
- Foam design files (.svg)
- ZMK Firmware configuration files: Config | Reset
License
Parts
40| Qty | Value | Footprint | References |
|---|---|---|---|
| 17 | D | footprint:Diode_SMD | D1, D2, D3, D4, D5, D6, D7, D8, D10, D11, D12, D13, D14, D15, D16, D17 +1 |
| 17 | SW_PUSH | footprint:CherryMX_Hotswap_1u_19x19 | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17 +1 |
| 3 | MountingHole | footprint:m2_Screw_Hole_EdgeCuts | H1, H2, H3 |
| 1 | BATT | footprint:JST_PH_S2B-PH-K_custom | B1 |
| 1 | SW_SPDT | footprint:TGSW_MSK-12D19 | SW18 |
| 1 | XIAO_nRF52840 | footprint:XIAO_nRF52840_wBAT | U1 |
Questions
How big is the Thorium pcbr PCB?
It measures 96 × 77 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Thorium pcbr use?
40 parts, built around the XIAO NRF52840. 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 Thorium pcbr KiCad files?
From the note96e/thorium repository on GitHub, at the commit this page was made from: the board is pcbr/thorium_pcbr.kicad_pcb and its schematic pcbl/thorium_pcbl.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Thorium pcbr design in my own project?
Its repository states no licence, so its author keeps all rights: ask note96e before reusing the design.
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