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what do i need for a wireless corne
(lemmy.world)
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this post was submitted on 26 Sep 2023
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ErgoMechKeyboards
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Ergonomic, split and other weird keyboards
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Instead of a big battery, get Qi charging coils and a large charging mat. Now your keyboard is constantly charged when on your desk.
Or get a 3rd MCU to use as a dongle so that acts as the more power hungry central board. Even with tiny 110mAh batteries, that'll give you 3 months of battery life with a pair of nice!nano2s.
You mean using RF instead of Bluetooth?
No, you can setup a dongle with bluetooth. In a regular zmk setup with nice!nanos or whatever bluetooth MCU, the two halves communicate wirelessly over bluetooth, a central one that does all the calculating of what key presses to actually send, and a peripheral that just sends raw keystrokes to the central one. But with a dongle setup, you'd get a 3rd MCU that you plug into the computer that acts as a central board without any keys that has 2 peripheral boards it communicates with. Because you'll keep that 3rd MCU plugged into the computer, it won't need its own battery or even any components, it can just be a bare MCU. You could also make a case for it if you wanted:
https://www.youtube.com/watch?v=YwsutNf1WRA&t=721s