Core Boards
- Burn the bootloader on UNO, Mega, and classic Nano using another Arduino
- If Arduino UNO or Mega 2560 is not recognized by the computer
- Set a board to DFU mode
- Flash USB-to-serial firmware in DFU mode
- I can't upload sketches to my Arduino 101 board
- What is the difference between Arduino UNO SMD and the standard UNO
- The Diecimila takes a long time to start the sketch
- My sketch does not start when powering the board with an external power supply (Arduino Diecimila or earlier)
