I have a Uno R3. I am running Ubuntu. When I plug it in, and use Arduino 1.8.8 software, I get this error:
avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied
An error occurred while uploading the sketch
I have a Uno R3. I am running Ubuntu. When I plug it in, and use Arduino 1.8.8 software, I get this error:
avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied
An error occurred while uploading the sketch
You need to do this: