2 layers158.8 × 120.6 mm
2 layers100 × 134.5 mm
Big Keys Keyboard
brandonHaipas/Big_Keys_KeyboardA new version of the Big Keys PCB
- Size
- 100 × 134.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 9
- Nets
- 26
- Pads
- 60
- Tracks, vias
- 45, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 11 May 2023
- Updated
- 24 Jul 2023
Overview
Big Keys Keyboard is an open-source printed circuit board by brandonHaipas, from the brandonHaipas/Big_Keys_Keyboard repository on GitHub, published under the MIT licence. It is a 2-layer board of 100 × 134.5 mm with 9 parts on 26 nets, routed with 45 tracks and 0 vias.
It is built around the MX1A-11NN. Its parts include 4 ICs and 4 diodes. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdBig_Keys_Keyboard
A new version of the Big Keys PCB, with mostly through hole parts in order to make correcting mistakes easier. the i2c-bus branch is a prototype with a i2c bus that can be shared among all the devices connected through 4 pin JST cables.
Parts
9| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 1N4148 | 1N4148:DIOAD829W49L456D191 | D1, D2, D3, D4 |
| 4 | MX1A-11NN | MX1A-11NN:CHERRY_MX1A-11NN_SWITCH | U1, U2, U3, U4 |
| 1 | SPARKFUN_PRO_MICRO | Boards:SPARKFUN_PRO_MICRO | B1 |
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Questions
How big is the Big Keys Keyboard PCB?
It measures 100 × 134.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Big Keys Keyboard use?
9 parts, built around the MX1A-11NN. 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 Big Keys Keyboard KiCad files?
From the brandonHaipas/Big_Keys_Keyboard repository on GitHub, at the commit this page was made from: the board is Big_Keys_Keyboard.kicad_pcb and its schematic Big_Keys_Keyboard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Big Keys Keyboard 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).