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

A simple HID device breakout board for the Teensy family of microcontrollers
TeensyHID is an open-source printed circuit board by mtrudel, from the mtrudel/TeensyHID repository on GitHub. It is a 2-layer board of 28.7 × 41.4 mm with 11 parts on 22 nets, routed with 54 tracks and 0 vias.
Its parts include 7 connectors and 1 IC. It belongs with the interfaces and adapters and microcontroller boards boards and the NXP (LPC, Kinetis, i.MX RT) boards of this library.
A simple breakout board for the Teensy family of microcontrollers, providing:
Pairs well with breakout boards such as my Rotary Encoder breakout board.
Available at OSH Park
MIT
| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | Conn_01x04 | Connectors_JST:JST_EH_B04B-EH-A_04x2.50mm_Straight | J1, J2, J3, J4, J5, J6, J7 |
| 1 | LOGO | moshozenfootprints:Moshozen | G*** |
| 1 | Teensy-LC | teensy:Teensy30_31_32_LC_edited | U1 |
The 9 most common of 11 parts.

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


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It measures 28.7 × 41.4 mm and has 2 copper layers, 1.6 mm thick.
11 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 mtrudel/TeensyHID repository on GitHub, at the commit this page was made from: the board is TeensyHID.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 mtrudel before reusing the design.