BlinkThorLabsBuilding an AUTOSAR BSW Stack From Scratch: A Beginner's Roadmap
Six milestones, realistic time estimates, and the mistakes everyone makes at each one.
Every engineering note
45 write-ups across 8 disciplines, newest first.
Why Your Extended Kalman Filter Diverges at Highway Speed
Process noise tuning matters more than your motion model. Here is the math and the fix.
The Day Our CI Pipeline Caught a Silent AUTOSAR Config Regression
A missed PTP correction... no wait, wrong incident. This one's about a CAN baud rate nobody meant to touch.
Writing an ASIL-D Safety Case Without Losing Your Mind
A practical structure for FMEAs and safety cases that actually survives an assessor.
What 10,000 Hours of Fleet Logs Taught Us About Edge Cases
The scale, the method, and the top five failure patterns nobody put in the original training set.
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.
RTOS Priority Inversion: A Field Guide
Priority inheritance is not automatic. Three real incidents and how we caught them.
CAN-FD Bit Timing: The Math Nobody Explains Properly
Sample points, propagation delay, and how one oscillator tolerance broke a whole harness.
Debugging a Watchdog Reset That Only Happens in Production
A three-week hunt through a race condition between an ISR and a flash write routine.