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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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[-] silico_biomancer@lemmy.nz 1 points 1 month ago

Just chiming in to say I found this recently and found it a really useful base. I don't have an RGB LED on my NN clone, but I forked it to work with just a single LED (using blink patterns/speeds). It's awkward, and a coloured LED would be way better, but better than nothing! Thanks for posting

[-] bravekarma@lemmy.world 1 points 1 month 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
36 points (100.0% liked)

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