bearbearsocute:
As stated in the question, can the SD library, file.open() function open a file on PC and do file.read() from there?
No.
Or can it only be used for the particular sd card mounted on the arduino?
Yes.
bearbearsocute:
As stated in the question, can the SD library, file.open() function open a file on PC and do file.read() from there?
No.
Or can it only be used for the particular sd card mounted on the arduino?
Yes.