:o hello,
i,m a noobie at arduino. i have a arduino nano and uno, i have no problems on uno but i can t upload any sketch on nano. i receive the message :
Arduino: 1.6.13 (Windows 7), Board: "Arduino Nano, ATmega328"
Sketch uses 1,910 bytes (6%) of program storage space. Maximum is 30,720 bytes.
Global variables use 186 bytes (9%) of dynamic memory, leaving 1,862 bytes for local variables. Maximum is 2,048 bytes.
avrdude: ser_open(): can't open device "\.\COM3": The system cannot find the file specified.
Problem uploading to board. See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
oslo i can t select any port under Tools bar.