Editorial
Field notes
Longer reads for people who prefer captures over slogans.
2025-02-14
Why We Photograph Every Ground Return
Ground isn’t abstract when millivolts matter. Here is how Focus Base students document returns without turning lab day into a photoshoot.
bench discipline · measurement · documentation
2025-04-03
Volatile Is a Promise, Not a Keyword Decoration
We map volatile to observable hardware events so C learners stop sprinkling keywords like seasoning.
C · MMIO · compiler
2025-05-21
DMA Rings Without the Panic Spool
Ring buffers fail quietly. Our Device I/O cohort uses a three-color state strip taped above the bench.
DMA · buffers · discipline
2025-07-09
Postmortems That Hardware Teams Actually Read
Firmware postmortems fail when they read like confessions. We borrow structure from incident response without the jargon pile.
documentation · process · reviews
2025-08-18
Teaching Jitter Without the Math Wall
Histograms before calculus — how we keep realtime approachability while still respecting the numbers.
realtime · measurement · pedagogy
2025-09-30
Pytest on the Bench, Not in the Cloud
Nightly confidence does not require a data center. Here is the smallest harness we still call serious.
testing · python · benches