{"id":25449825,"url":"https://github.com/strayfade/sf46","last_synced_at":"2026-05-16T11:01:42.182Z","repository":{"id":277895779,"uuid":"929048368","full_name":"strayfade/sf46","owner":"strayfade","description":"Ergonomic 46-key split mechanical keyboard","archived":false,"fork":false,"pushed_at":"2025-02-25T17:17:08.000Z","size":5564,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-10-27T23:26:01.377Z","etag":null,"topics":["ble","bluetooth","esp32","keyboard","wireless"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"gpl-3.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/strayfade.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2025-02-07T17:59:34.000Z","updated_at":"2025-05-16T16:25:05.000Z","dependencies_parsed_at":"2025-02-16T21:25:34.043Z","dependency_job_id":"9691d9c2-c68d-4514-8d72-24e5451eb57e","html_url":"https://github.com/strayfade/sf46","commit_stats":null,"previous_names":["strayfade/sf46"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/strayfade/sf46","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strayfade%2Fsf46","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strayfade%2Fsf46/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strayfade%2Fsf46/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strayfade%2Fsf46/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/strayfade","download_url":"https://codeload.github.com/strayfade/sf46/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/strayfade%2Fsf46/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":33100319,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-16T04:41:52.686Z","status":"ssl_error","status_checked_at":"2026-05-16T04:41:52.009Z","response_time":115,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["ble","bluetooth","esp32","keyboard","wireless"],"created_at":"2025-02-17T21:20:16.134Z","updated_at":"2026-05-16T11:01:42.165Z","avatar_url":"https://github.com/strayfade.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"![](./images/sf461.webp)\n\n\u003ch1 align=\"center\"\u003esf46\u003c/h1\u003e\n\n\u003cp align=\"center\"\u003e\n    \u003ca href=\"https://certification.oshwa.org/us002721.html\"\u003e\n        \u003cimg src=\"https://img.shields.io/badge/OSHWA%20Certification-US002721-FF4444?style=flat\u0026labelColor=333333\"\u003e\n    \u003c/a\u003e\n\u003c/p\u003e\n\n### About\n\nThe **sf46** is an ergonomic 46-key split mechanical keyboard based on the ESP32 family of chips by Espressif\n\n\u003e This project has been certified by the OSHWA as open source hardware.\n\u003e\n\u003e ```html\n\u003e [OSHW] US002721 | Certified open source hardware | oshwa.org/cert\n\u003e ```\n\n### Features\n\n- USB Type-C Port\n- Fully open-source/open-hardware design and firmware files\n- Bluetooth/BLE wireless connectivity\n- 3300mAh rechargeable battery (for each side)\n\n### Assembly/Mechanical Information\n\n**Required parts:**\n\n- PCB ([Download Gerber](/pcb/Gerber_sf46.zip))\n  - Repo includes [design files](/pcb/EasyEDA_sf46.json) for importing into EasyEDA\n- 3D-printed case ([Download .STEP](/cad/case_v5.step))\n- Keyswitch plate ([Download .STEP](/cad/plate_v3.step))\n- **46x** Full-size MX-style keyswitches\n- **46x** MX-style Hot Swap Switch Mounts\n- **46x** switch diodes ([C14996](https://www.lcsc.com/product-detail/Schottky-Diodes_MDD-Microdiode-Semiconductor-SS210_C14996.html))\n- **2x** 2U Screw-in PCB Mount Stabilizers\n- **2x** ESP32 Supermini\n- **2x** Lithium battery charger/boost converter\n- **2x** 60x50x6mm (or similar) rechargeable battery\n\n**Optional, but recommended parts:**\n\n- Krytox 205 Grade 0 lubricant\n- Switch disassembly tool\n- Case filler/sound dampening (I used polyester fiber and foam pads)\n\n### Firmware\n\nThe 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/).\n\n### License + Credits\n\nThe **sf46** keyboard design and CAD files are released under the **GPLv3** license.\n\nThis project uses code from the [ESP32-BLE-Keyboard](https://github.com/T-vK/ESP32-BLE-Keyboard) repository.\n\n### Gallery\n\n![](./images/sf462.webp)\n![](./images/sf463.webp)\n![](./images/sf464.webp)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstrayfade%2Fsf46","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fstrayfade%2Fsf46","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fstrayfade%2Fsf46/lists"}