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A Raspberry Pi SPI communication code throws an error: 'AttributeError: module spidev has no attribute SpiD'. What is the likely cause?

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Raspberry Pi - SPI Communication
A Raspberry Pi SPI communication code throws an error: 'AttributeError: module spidev has no attribute SpiD'. What is the likely cause?
ATypo in class name; should be SpiDev instead of SpiD
BSPI device not enabled in Raspberry Pi settings
CIncorrect SPI bus number used in open()
DMissing import statement for spidev
Step-by-Step Solution
Solution:
  1. Step 1: Analyze the error message

    The error says 'no attribute SpiD', indicating a typo in the class name.
  2. Step 2: Correct class name usage

    The correct class name is SpiDev with a capital 'D' at the end.
  3. Final Answer:

    Typo in class name; should be SpiDev instead of SpiD -> Option A
  4. Quick Check:

    Class name typo = A [OK]
Quick Trick: Check class names carefully for typos [OK]
Common Mistakes:
MISTAKES
  • Ignoring case sensitivity in class names
  • Assuming device not enabled causes attribute error
  • Confusing import errors with attribute errors

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