Insights
Decisions worth writing down
Comparisons, procedures and trade-offs from real projects. Written for engineers who have to make the decision, not for a keyword.
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CRA readiness for hardware teams: what to decide before layout
Most CRA guidance is written for software teams. The decisions that actually bind are hardware ones, and you make them before layout.
CRAEU 2024/2847Secure bootRoot of trust -
SMARC 2.1 vs OSM: choosing a module standard
Connector or solder-down. The decision is mechanical and logistical long before it is electrical.
SMARC 2.1SGET OSMSize-SSize-L -
Hot-plug transients, and why your input capacitors keep dying
Connect a live supply to bulk capacitance and the wiring inductance rings. The overshoot can approach 2× — briefly, invisibly, and fatally.
Hot-plugInrushMLCCTransients -
A first-power-on sequence that finds faults in order
Most bring-up time is lost by advancing past an unverified stage. Here is the order that stops that.
Bring-upJTAGSWDU-Boot
Disagree with something here?
Good — that's usually where the interesting engineering conversation starts. We'd rather be corrected than confidently wrong in public.