zmk-rgbled-widget: A ZMK module to add battery & BT indicators using an RGB LED (like in Xiao BLEs) (github.com)

submitted 1 month ago by bravekarma@lemmy.world to c/ergomechkeyboards@lemmy.world

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I find that having a way to check the battery and connection status is very useful with wireless devices. Traditionally, the way to do this is through the addition of a display. However I always thought displays were a bit overkill for that and once I started using Xiao BLE controllers I noticed that they have an RGB LED built onto the controller itself that can be programmed.

So I wrote a small tool to indicate the battery and BT profile status that uses that LED, and I thought I'd share more broadly in case it is useful to others. It's pretty easy to add to your ZMK build as documented in the README as it is a ZMK module.

While it supports Seeeduino Xiao BLE out of the box, it's also easy to add support for it if you have a custom keyboard that has three dumb LEDs for RGB colors.

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[-] bravekarma@lemmy.world 1 points 3 weeks ago

Nice! It was essentially my first Zephyr project and I tried to make it accessible code-wise, so I am happy you found it useful in that regard.

I know at least a couple other people that adapted it to a single LED. I’d probably do it too if I needed it but I’d find it difficult to share it with others given that decoding the information is harder for others.

this post was submitted on 31 Aug 2024

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