2 layers73 × 139 mm
OpenRPNCalc
apoluekt/OpenRPNCalc
Open-source and open-hardware scientific RPN calculator
141 parts414CERN-OHL-P-2.0
2 layers57.3 × 39.1 mm
MXHHKBLE KiCAD
byarmis/MXHHKBLEUsing the Adafruit Feather, adding Bluetooth functionality to an HHKB
- Size
- 57.3 × 39.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 15
- Nets
- 28
- Pads
- 73
- Tracks, vias
- 90, 38
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 7 Jan 2016
- Updated
- 5 Oct 2020
Overview
MXHHKBLE KiCAD is an open-source printed circuit board by byarmis, from the byarmis/MXHHKBLE repository on GitHub, published under the MIT licence. It is a 2-layer board of 57.3 × 39.1 mm with 15 parts on 28 nets, routed with 90 tracks and 38 vias.
It is built around the CUS-12TB. Its parts include 7 switches, 6 diodes, 1 IC and 1 connector. It belongs with the nRF52 and nRF5x boards of this library.
Main components
1README
README.mdMX-HHKBLE
Using the nice!nano, making a low-profile MX-compatible HHKB.
Key Switches
Kailh low profile round switches
Hardware
- PCB
- Working on that now
- Switches
- Keycaps
- Any Cherry-compatible switches should work
- Testing will be done with GMK caps
- nice!nano
- 1N4148 Diodes
- Power switch
- Battery
- Depending on the battery you get, you might need to swap the ground and positive leads
- JST connector
- Surface-mount female pins
- Male pin headers
- Stabilizers
- Space bar (6.25u)
- Left shift (2u)
- Enter (2u)
- 3D-printed standoff legs (to be designed)
- Screws and nuts, also to be determined
Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | D | Diode_SMD:D_SOD-123F | D1, D2, D3, D4, D5, D6 |
| 6 | SW_SPST | MXHHKBLE_KiCAD:Kailh_PG1353 | SW1, SW2, SW3, SW4, SW5, SW6 |
| 1 | CUS-12TB | MXHHKBLE_KiCAD:Nidec_Copal-CUS-12TB-MFG | SW0 |
| 1 | S2B-PH-K-SLFSN | MXHHKBLE_KiCAD:JST-S2B-PH-K-SLFSN-0-0-0 | J1 |
| 1 | nice_nano_no_middle | MXHHKBLE_KiCAD:nice_nano_no_middle_socket | U1 |
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Questions
How big is the MXHHKBLE KiCAD PCB?
It measures 57.3 × 39.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MXHHKBLE KiCAD use?
15 parts, built around the CUS-12TB. 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 MXHHKBLE KiCAD KiCad files?
From the byarmis/MXHHKBLE repository on GitHub, at the commit this page was made from: the board is MXHHKBLE_KiCAD/MXHHKBLE_KiCAD.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the MXHHKBLE KiCAD design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).