This category holds commonly asked questions on the Arduino forum.

• What are the different file extensions for
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• Is there another IDE for Arduino
  (6784 views)
• Can I use alternative serial monitors with Arduino
  (6200 views)
• I can't upload a sketch with !!! in a string
  (7356 views)
• What does the IDE change in my sketch
  (12649 views)
• What is the Arduino language
  (7726 views)