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CAN, CAN-FD, and LIN diagnostics that keep a bus from silently dying.
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UDS Diagnostics Over DoIP: What Actually Changes When You Move Off CAN
Physical vs functional addressing, and the multi-client problem CAN never made you think about.

Why We Switched From Classic AUTOSAR CAN Stack to a Custom Driver (And Regretted Half of It)
Not a story about being wrong. A story about being right about one thing and not thinking hard enough about three others.

CAN-FD Bit Timing: The Math Nobody Explains Properly
Sample points, propagation delay, and how one oscillator tolerance broke a whole harness.