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Early in my career, I designed a circuit board that worked perfectly on my desk. But the moment we put it in a metal enclosure for testing, everything went haywire. Random resets. Glitchy behavior. Failed emissions testing. The culprit? Electromagnet...

🧠 AI Quick Insight “Bluetooth distance short or disconnections?” The instability of KT1328A connections beyond 20 m often traces back to three core design factors — crystal oscillator routing, RF grounding loop, and antenna clearance. A PCB inverted...
