TCS Pune

Watchdog resets

Guided diagnostic

Watchdog resets

Find blocked tasks, long critical sections and missed watchdog service.

Medium riskESP32, PIC, AVR and watchdog-enabled MCUs

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 · Reset reason

Method: Read boot log or reset-cause register

Expected: Watchdog cause is confirmed

⚠ Save logs before clearing flags.

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.

Ready when you are

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WA