This category holds commonly asked questions on the Arduino forum.

• What are the different file extensions for
  (24704 views)
• Is there another IDE for Arduino
  (8712 views)
• Can I use alternative serial monitors with Arduino
  (8428 views)
• I can't upload a sketch with !!! in a string
  (9638 views)
• What does the IDE change in my sketch
  (16605 views)
• What is the Arduino language
  (10514 views)