Interrupt Latency Is Not Just a Number
A practical method for measuring interrupt latency and separating masking, cache, and scheduling effects.
Demonstration articleAUTHOR
嵌入式杂谈 · Embedded Notes
Independent technical writing for engineers across embedded systems, chips, and the semiconductor industry.
Selection Is Only the Beginning: A Chip Lifecycle Checklist
Turn component selection into an auditable, replaceable, and sustainable engineering decision.
Demonstration articleDebugging Is Not Trial and Error: Build a Falsifiable Evidence Chain
Replace vague suspicions with hypotheses, observations, and disproof so debugging becomes a team capability.
Demonstration articleFrom Blinking LED to Reproducible Open Hardware
Schematics are only the beginning; versions, builds, tests, BOMs, and known limits determine reproducibility.
Demonstration article