"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 "/home/pm2d/.arduino15/packages/arduino/tools/avrdude/6.3.0-arduino17/etc/avrdude.conf"
User configuration file is "/home/pm2d/.avrduderc"
User configuration file does not exist or is not a regular file, skipping
Using Port : /dev/ttyUSB0
Using Programmer : arduino
Overriding Baud Rate : 57600
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x8c
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xfc
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x8a
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x44
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x04
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xfc
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x88
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x44
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x04
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xfc"