#ZMK keyboard connecting to PC via BLE-USB bridge dongle (HID proxy)

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worldly beacon
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I want connect my Corne 5x3 to my PC using usb dongle but I dont understand how to do it

Here is some documents I have read but I don't know where to start

https://zmk.dev/docs/development/hardware-integration/dongle#adding-a-dongle
https://www.youtube.com/watch?v=mki4Nmy8nbY
https://github.com/charlesmst/zephyr-ble-hid-usb-translator

Can a normal dongle from unused mouse can connect to my Corne keyboard or I have to buy a new dongle? 😭

My Corne use Xiao Ble

Special thanks to Jörn for making this dongle, he sells these on Ebay:
Product link: https://www.ebay.com/itm/155349813491 or https://www.ebay.com/itm/155526454426
His Ebay profile: https://www.ebay.com/usr/chance_favors_the_prepared_mind

Also special thanks to Lucas for helping me figure out how to make this dongle work with ZMK. He also crea...

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GitHub

Abomination of code that proxies/translates HID from a Bluetooth device to a USB device so that USB keyboards/mice can be used with BIOS/UEFI. - charlesmst/zephyr-ble-hid-usb-translator

A bluetooth dongle can be added to any wireless keyboard running ZMK. The result is a split keyboard with the dongle as "central". There are a number of advantages to adding a dongle, but also some disadvantages:

fierce nebula
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They are different kinds of dongles. The ZMK docs dongle in the first link is like a ZMK split keyboard without keys. So you use something like another Xiao BLE

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The other two probably require something similar, but they are more generic. I guess you can pair any BLE keyboard to them. They will work with USB, but for example it won't save you battery life, unlike a ZMK dongle