Skip to content

Add 1209/4C45: Leif Key (Sam Millay) #1327

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
smillay1 wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Add 1209/4C45: Leif Key (Sam Millay) #1327

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d874738
Add org SamMillay
smillay1 Oct 20, 2026
ec74e28
Add 1209/4C45 Leif Key
smillay1 Oct 20, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 12 additions & 0 deletions 1209/4C45/index.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
---
layout: pid
title: Leif Key
owner: SamMillay
license: MIT (firmware), CERN-OHL-P-2.0 (hardware)
site: https://leifkey.com
source: https://github.com/smillay1/leif-key
---
Leif Key is a tiny USB-C key that starts and ends focus sessions on a Mac. It's built
around a WCH CH552T microcontroller; the SDCC firmware enumerates as a vendor-specific
device with no endpoints, and the KiCad board files, schematic and firmware are in the
source repository.
6 changes: 6 additions & 0 deletions org/SamMillay/index.md
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
---
layout: org
title: Sam Millay
site: https://leifkey.com
---
Independent maker of Leif, a USB-C focus key for the Mac.
Loading