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Author Topic: QK75 firmware  (Read 993 times)

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Offline zegonix

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  • Posts: 90
QK75 firmware
« on: Thu, 01 May 2025, 04:30:48 »
has anyone figured out a way to get actual QMK (or ZMK) working on a QK75 PCB?
or at least found some documentation on the microcontroller?
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Offline fpazos

  • Posts: 172
Re: QK75 firmware
« Reply #1 on: Thu, 01 May 2025, 07:41:59 »
Not available yet but should be quite similar https://github.com/qmk/qmk_firmware/tree/master/keyboards/qwertykeys

Enviado desde mi 23122PCD1G mediante Tapatalk

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Offline zegonix

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  • Posts: 90
Re: QK75 firmware
« Reply #2 on: Thu, 01 May 2025, 08:26:44 »
according to the QMK configuration the 65 uses an atmega chip. the 100 uses a STM32F103.
using a jlink i could confirm, that the 75 uses a (most likely STM32) chip with an arm cortex-m4 core. STM32F103 is cortex-m3..

though maybe the information about the chip being cortex-m4 is wrong so i guess i'll just give it a try. if i brick the thing, i'll just make my own pcb.
« Last Edit: Thu, 01 May 2025, 09:45:35 by zegonix »
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Offline zegonix

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  • Posts: 90
Re: QK75 firmware
« Reply #3 on: Thu, 01 May 2025, 15:14:23 »
i managed to put the chip into bootloader mode by pulling book0 high with a wire.
the device is listed as:

Code: [Select]
ID 2e3c:df11 Artery Technology AT32 Bootloader DFU
i will do some more digging..
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