Tagged: debugging
2 posts tagged debugging.
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Chasing a PCIe Ghost on Raspberry Pi 5
How a simple expansion experiment turned into a deep dive through link training, oscilloscopes, kernel patches, and a plan to build my own PCB.
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Restoring a Roland MT-120: Building an Arduino Floppy Drive Tester
How a failed floppy drive in a Roland MT-120 led to an Arduino-based diagnostic tool for motor control, head stepping, RPM measurement, and Track 0 troubleshooting.