Hello, im pready neew to arduino. i would be soooo happy if u helped me. I dont know what happend to my arduino uno. This is the message that i receved when i tried to upload.
Sketch uses 882 bytes (2%) of program storage space. Maximum is 32256 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.
An error occurred while uploading the sketch
avrdude: ser_open(): can't open device "\.\COM3": A device which does not exist was specified.