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ajs256/cheatsheet.md

Created December 26, 2020 21:26
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CircuitPython Status LED Cheat Sheet
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cheatsheet.md

Non-Errors

  • Steady green: code.py is running
  • Breathing green: code.py has finished or doesn't exist
  • Steady yellow: Waiting for a RESET press to start safe mode (user code doesn't run)
  • Breathing yellow: In safe mode
  • Steady white: In REPL
  • Steady blue: boot.py is running

Errors

First flash is type of error:

  • Green: IndentationError
  • Cyan: SyntaxError
  • White: NameError
  • Orange: OSError
  • Purple: ValueError
  • Yellow: something else, check serial

Later flashes indicate the line where the error occurred.

  • White: thousands place
  • Blue: hundreds place
  • Yellow: tens place
  • Cyan: ones place
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