Designed Is Not Tested
Designed, simulated, fabricated, measured, and validated describe different evidence. Hardware work gets more trustworthy when those states stay separate.
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Longer notes on fault isolation, schematic reading, design-for-test, board bring-up, hardware testing, and practical PCB development.
A short post can show the result. These notes hold the assumptions, measurements, false starts, and evidence limits that make the result useful.
Designed, simulated, fabricated, measured, and validated describe different evidence. Hardware work gets more trustworthy when those states stay separate.
Read essayComponent-level troubleshooting changes the questions you ask while designing a board: where will I measure, what will fail, and how will the next person know?
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