Reverse mount SK6812 Mini-e are pretty swell (imgur.com)

submitted 11 months ago by excitingburp@lemmy.world to c/ergomechkeyboards@lemmy.world

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The really nice thing about them is that they accept 3v3 logic when being powered by 5v. Although that usually works with the WK6812, it's technically out of spec and I have read about this causing stability issues. They are also pretty low power, 12mA at max brightness (these are at 1/32).

They are reverse-mount, so you don't have to be concerned about keycaps colliding with LEDs.

Firmware is still definitely a WIP, as is the motherboard (the keyboards are i2c daughter boards as per my previous post). I have switched to embassy-rs, which is way more ergonomic than embedded-hal - async rust makes tons of sense for embedded dev. I'm also going to be printing blank shields for the RPi Picos, to hide that green a little better.

If you've been putting off designing your own keeb, I strongly recommend it. It's really rewarding.

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this post was submitted on 03 Oct 2023

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