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Why is it important to set the same baud rate on both Raspberry Pi and Arduino when using UART communication?

hard🧠 Conceptual Q10 of 15
Raspberry Pi - Serial UART Communication
Why is it important to set the same baud rate on both Raspberry Pi and Arduino when using UART communication?
ABaud rate is irrelevant for UART communication
BBaud rate only affects power consumption
CBaud rate controls the voltage level of signals
DDifferent baud rates cause data corruption or loss
Step-by-Step Solution
Solution:

  1. Step 1: Understand baud rate role

    Baud rate sets speed of data bits sent per second.

  2. Step 2: Effects of mismatched baud rates

    If baud rates differ, receiver misinterprets bits causing errors or loss.

  3. Final Answer:

    Different baud rates cause data corruption or loss -> Option D

  4. Quick Check:

    Matching baud rates prevent data errors [OK]
Quick Trick: Always match baud rates on both devices for clean UART data [OK]
Common Mistakes:
MISTAKES
  • Thinking baud rate affects voltage
  • Ignoring baud rate mismatch
  • Assuming baud rate affects power

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