no no no.
power on the board, <5 second need click "bootload Detect" button. do you understand me?
here is video tour: https://youtu.be/LLIJe9VTVq8
power on the board, <5 second need click "bootload Detect" button. do you understand me?
here is video tour: https://youtu.be/LLIJe9VTVq8