TCS Pune

Serial garbage diagnosis

Guided diagnostic

Serial garbage diagnosis

Resolve baud, framing, clock and voltage mismatches.

Medium riskUART devices

Tools checklist

  • Digital multimeternUSB data cablenCurrent-limited bench supplynLogic analyser or oscilloscope when indicated

Symptom-to-checkpoint workflow

Start at checkpoint 1. Record the reading, then choose Pass or Fail to follow the correct branch.

Checkpoint 1 · UART settings

Method: Match baud, data bits, parity and stop bits

Expected: Text is readable

⚠ Confirm voltage compatibility first.

Record this diagnostic run

Log in to save measurements and submit this run to an instructor.

Bench safety

Disconnect power before wiring changes or continuity testing. Confirm polarity and voltage limits. Use a current-limited supply for suspected shorts.

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