I am trying to upload a sketch to Arduino Nano and this is what i get.
Sketch uses 25428 bytes (82%) of program storage space. Maximum is 30720 bytes.
Global variables use 1358 bytes (66%) of dynamic memory, leaving 690 bytes for local variables. Maximum is 2048 bytes.
"C:\Users\Gebruiker\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/bin/avrdude" "-CC:\Users\Gebruiker\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf" -v -V -patmega328p -carduino "-PCOM6" -b115200 -D "-Uflash:w:C:\Users\Gebruiker\AppData\Local\arduino\sketches\C6A457DCC7B9856176B6E4872463CAE8/SI5351_VFO_002.ino.hex:i"
avrdude: Version 6.3-20190619
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is "C:\Users\Gebruiker\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf"
Using Port : COM6
Using Programmer : arduino
Overriding Baud Rate : 115200
avrdude: ser_open(): can't open device "\.\COM6": Toegang geweigerd.
avrdude done. Thank you.
Failed uploading: uploading error: exit status 1
Code compile is ok. Any Idea??