Because nrfMicro can be used as a Bluetooth 5.0/typec dual-mode keyboard master, the C port is separated and connected to the chip using a 4PIN cable.
The onboard Bluetooth chip uses Xinchida nrf52832, the USB uses CH554T, the onboard lithium battery is charged, and the 3.7V lithium battery is used for power supply.
The firmware is an open source tmk solution. The available pins have been extracted and are 26pin cable sockets. You can set up your own matrix assembly. For the source code compilation part, please refer to http://wiki.glab.online/#!build.md
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