C8: Arduino Basic + Sensor Interfacing

Q1. What does debugging mean?

  • Answer: Debugging means finding and fixing errors in a circuit or code.

Q2. If a sensor isn’t working, what two things should you check first?

  • Answer:

    1. Wiring (is VCC, GND, and output connected properly?).
    2. Code (is the correct pin number used, and logic correct?).
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