Deep, practical walkthroughs: free to read, written to the same standard as the courses: real code, compile-verified, no hand-waving. New posts land here as they're written.
Your own PCB is not a dev kit. Teach Zephyr it exists. Discovery, Kconfig, devicetree, runners and a bring-up app: a complete board definition for a custom nRF52840 board, written file by file and verified from the build's own generated output.
Zephyr has no driver for your sensor? Write one the upstream way (devicetree binding, Kconfig, CMake and the standard sensor API), for a real I2C temperature sensor, with every line compile-verified.
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