https://github.com/strayfade/sf46
Ergonomic 46-key split mechanical keyboard
https://github.com/strayfade/sf46
ble bluetooth esp32 keyboard wireless
Last synced: about 1 month ago
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Ergonomic 46-key split mechanical keyboard
- Host: GitHub
- URL: https://github.com/strayfade/sf46
- Owner: strayfade
- License: gpl-3.0
- Created: 2025-02-07T17:59:34.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2025-02-25T17:17:08.000Z (over 1 year ago)
- Last Synced: 2025-10-27T23:26:01.377Z (8 months ago)
- Topics: ble, bluetooth, esp32, keyboard, wireless
- Language: C++
- Homepage:
- Size: 5.31 MB
- Stars: 2
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
sf46
### About
The **sf46** is an ergonomic 46-key split mechanical keyboard based on the ESP32 family of chips by Espressif
> This project has been certified by the OSHWA as open source hardware.
>
> ```html
> [OSHW] US002721 | Certified open source hardware | oshwa.org/cert
> ```
### Features
- USB Type-C Port
- Fully open-source/open-hardware design and firmware files
- Bluetooth/BLE wireless connectivity
- 3300mAh rechargeable battery (for each side)
### Assembly/Mechanical Information
**Required parts:**
- PCB ([Download Gerber](/pcb/Gerber_sf46.zip))
- Repo includes [design files](/pcb/EasyEDA_sf46.json) for importing into EasyEDA
- 3D-printed case ([Download .STEP](/cad/case_v5.step))
- Keyswitch plate ([Download .STEP](/cad/plate_v3.step))
- **46x** Full-size MX-style keyswitches
- **46x** MX-style Hot Swap Switch Mounts
- **46x** switch diodes ([C14996](https://www.lcsc.com/product-detail/Schottky-Diodes_MDD-Microdiode-Semiconductor-SS210_C14996.html))
- **2x** 2U Screw-in PCB Mount Stabilizers
- **2x** ESP32 Supermini
- **2x** Lithium battery charger/boost converter
- **2x** 60x50x6mm (or similar) rechargeable battery
**Optional, but recommended parts:**
- Krytox 205 Grade 0 lubricant
- Switch disassembly tool
- Case filler/sound dampening (I used polyester fiber and foam pads)
### Firmware
The firmware is [available for download](https://github.com/strayfade/sf46/tree/main/firmware) and can be compiled/uploaded to the ESP32s using [PlatformIO](https://platformio.org/).
### License + Credits
The **sf46** keyboard design and CAD files are released under the **GPLv3** license.
This project uses code from the [ESP32-BLE-Keyboard](https://github.com/T-vK/ESP32-BLE-Keyboard) repository.
### Gallery
