Sketch uses 294418 bytes (9%) of program storage space. Maximum is 3145728 bytes.
Global variables use 20592 bytes (6%) of dynamic memory, leaving 307088 bytes for local variables. Maximum is 327680 bytes.
esptool.py v4.8.1
Serial port COM5
A fatal error occurred: Could not open COM5, the port is busy or doesn't exist.
(could not open port 'COM5': OSError(22, 'Se ha especificado un dispositivo que no existe.', None, 433))
Failed uploading: uploading error: exit status 2
