#python
12 posts tagged with "python".
May 4, 2026
~6 min read
A 180-degree rotation error on a polarized capacitor causes a short circuit. A three-tier heuristic system catches most of them. The IPC-2581 standard would make the whole problem obsolete.
April 27, 2026
~7 min read
Every component on a PCB has a physical body width. Every nozzle has an outer diameter. If the nozzle is too large, it drops the part. Here is the 1,600-line async pipeline that validates this at scale.
April 6, 2026
Raw machine telemetry tells you what happened. Time-series analytics tells you what is about to happen. Here is how First-Pass Yield, rolling defect rates, and SQL-driven root cause analysis work together.
March 30, 2026
Flying Probe Tester XML files are massive, nested, and namespace-unstable. Here is the three-table relational schema and defensive parsing strategy that tames them.
March 23, 2026
AOI machines generate defect reports with part numbers that almost match your library. Here is the dynamic parsing and fuzzy matching system that bridges that gap.
March 16, 2026
Customers send spreadsheets that look nothing alike. Hardcoded column indices fail on day two. Here is the four-step heuristic pipeline that handles anything.
March 9, 2026
A 10kΩ resistor has at least eight names in the wild. Here is how a regex-driven normalization engine turns manufacturing chaos into a canonical data layer.
March 2, 2026
When your Python backend and JavaScript frontend share state across async WebSocket calls, things fall apart fast. Here is the architecture that fixed it.
February 23, 2026
PyQt was too limiting, Electron was too bloated. Eel let me build a glassmorphism dashboard on constrained edge hardware — and I almost feel bad about how well it worked.
February 16, 2026
Everyone told me SQLite wasn't a real production database. Then I enabled WAL mode, handled concurrent MES workloads, and stopped worrying.
February 9, 2026
Every manufacturing team has that one Excel macro — the one nobody touches. Here's why I finally killed ours and what I built instead.
February 2, 2026
~5 min read
asyncio is not a magic speed-up — it's a precise tool for a specific problem. Here's what it actually does, when it wins, and when it costs you more than it's worth.