July 3, 2026
·~7 min read
·engineeringThe Co-Pilot That Refuses to Guess: Grounded RAG for PCBA Test Logs
A synthetic PCBA test-log pipeline, SPC that runs itself, and a citation-forced RAG co-pilot that refuses to answer when it isn't sure — built over eight weeks of evenings and weekends.
ragmanufacturingpcbapythonduckdbspc