Can't directly upload arduino code

[qddxl]

When uploading a program via arduino, is it necessary to set opencr to bootmode every time? if not, the port cannot be found and cannot be uploaded successfully.

[shiba-8ro]

Hi, @qddxl
Did you press the button to enter DFU mode?
https://emanual.robotis.com/docs/en/parts/controller/opencr10/#enter-dfu-mode