avrdude: ser_open(): can't open device "/dev/ttyACM0": Permission denied
$ ls -l /dev/ttyACM*
crw-rw-r-- 1 root dialout ... /dev/ttyACM0
Fix:
sudo chmod a+rw /dev/ttyACM0
Resources:
[1] https://www.arduino.cc/en/software/
[2] Simulator https://www.tinkercad.com/
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