Technical Notes¶
Design details for anyone building, modifying, or just curious about how the KXUSBC2 works under the hood.
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Hardware Assembly
Soldering standoffs and wires, fitting the LED diffuser, and preparing the side panel.
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Hardware
Schematic, PCB specifications, ordering, kit components, efficiency, and QRM measurements.
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Firmware
Build instructions, USB PD implementation notes, EEPROM layout, and RTC emulation.
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Programmer
The browser-based UPDI programming tool for flashing firmware and changing settings.