this post was submitted on 15 Jan 2026
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Why 3.5mm TRRS? (sopuli.xyz)
submitted 6 months ago* (last edited 6 months ago) by Tiuku@sopuli.xyz to c/splitmechkeyboards@lemmy.world
 

All split keyboards I'm aware of connect the halves with 3.5mm TRRS jacks, if not wireless. QMK and ZMK boards alike. Why is that?

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[–] halfdane@piefed.social 3 points 6 months ago

Zmk uses i2c - I would guess qmk as well, but I wouldn't know