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I just got a bunch of Arduino Uno R3 (ATmega328P + CH340).In arduino IDE when i'm selecting board as Arduino UNO then i'am getting this error

avrdude: Version 6.3-20171130
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2014 Joerg Wunsch

         System wide configuration file is "C:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf"

         Using Port                    : COM7
         Using Programmer              : arduino
         Overriding Baud Rate          : 115200
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xaf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xaf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xaf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xaf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xaf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xaf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xaf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xaf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xaf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xaf

But, When i'm selecting Arduino Nano it's working fine. How to fix it?

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6
  • why do you feel that something needs to be fixed? .... are you having problems compiling sketches? .... upvote for investigating and finding a workaround Commented May 14, 2019 at 17:50
  • burn the Uno bootloader Commented May 15, 2019 at 5:44
  • @jsotola arduino.stackexchange.com/questions/65321/… Commented May 15, 2019 at 15:40
  • @Juraj arduino.stackexchange.com/questions/65321/… Commented May 15, 2019 at 15:40
  • @Juraj i have selected target board type in Tools menu, on linux arvdude cli i'am getting same error Commented May 15, 2019 at 16:19

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