Field notes
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Field notes

Short articles our mentors publish between cohorts—no fluff timelines, just operating detail.

Hero for Why We Log UART Traces Before Cloud Dashboards

2025-11-12 · observability, iot, teaching

Why We Log UART Traces Before Cloud Dashboards

A crisp serial log saves hours when your broker looks fine but the device is lying.

By Rina Cho

Hero for Firmware Spikes That Fit in a Weekend

2025-09-03 · bootcamp, process

Firmware Spikes That Fit in a Weekend

Spikes should retire risks, not invent new science fair projects.

By Noah Kim

Hero for Designing Cohort Pacing for Mixed Time Zones

2025-07-22 · operations, enterprise

Designing Cohort Pacing for Mixed Time Zones

KR learners pairing with global mentors need calendars that respect sleep.

By Daniel Ahn

Hero for MQTT Topic Taxonomies That Ops Teams Can Audit

2025-06-01 · mqtt, operations

MQTT Topic Taxonomies That Ops Teams Can Audit

Readable topics beat clever topics when someone pages you at 03:00.

By Priya Nair

Hero for Portfolio Reviews: Showing Wiring Photos Without Embarrassment

2025-04-18 · career, portfolio

Portfolio Reviews: Showing Wiring Photos Without Embarrassment

Messy benches are honest; undocumented benches are risky.

By Haeun Song