Upload
- If your board does not appear in the port menu
- Errors when uploading a sketch
- Upload a sketch in Arduino IDE
- If the Arduino IDE freezes or is unresponsive
- Find and stop process blocking a port
- Select board and port in Arduino IDE
- 'Error: avrdude' when uploading
- Error: exit status 1
- Error "invalid device signature" when trying to upload a sketch
- Fix port access on Linux
- Error gnu.io.PortInUseException when uploading code or using the serial monitor on the Mac
- If your board is unresponsive, stuck resetting, or otherwise not working as expected
- My sketch uploads but does not work as expected