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Chapter 27

Debugging and troubleshooting

5 min read7 sections
In this chapter · 7 sections
  1. The systematic method
  2. Upload and connection errors
  3. Runtime problems
  4. Sensor and module problems
  5. Network problems
  6. Debugging tools and tricks
  7. Pre-demo checklist

Most IoT bugs are found in this order: power, wiring, configuration, then code. Check them in that sequence, change one thing at a time, and test each part alone before blaming the whole system.

Most IoT bugs are found in this order: power, wiring, configuration, then code. Check them in that sequence, change one thing at a time, and test each part alone before blaming the whole system.

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