I bought a Arduino Leonardo Pro Micro, at first, everything works well, but later on, the serial port option just greyed out, i can't upload any program. (everything else is fine, all lights are turned on when i pluged it in my laptop)
I bought a Arduino Leonardo Pro Micro, at first, everything works well, but later on, the serial port option just greyed out, i can't upload any program. (everything else is fine, all lights are turned on when i pluged it in my laptop)