Can't uploading arduino code

Development Tools Uploading
1

Hi. Im using Arduino uno with ESP8266 to do a current monitoring project. First I try to upload the lcd display code and it works. but when i want to connect with blynk, the code can't be upload. Below is the error shown:

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 "D:\Users\alinam01\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf"



         Using Port                    : COM3

         Using Programmer              : arduino

         Overriding Baud Rate          : 115200

avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00

avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x00

avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x00

avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x00

avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x00

avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x00

avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x00

avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x00

avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x00

avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x00



avrdude done.  Thank you.



An error occurred while uploading the sketch




This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
2

Is that an Uno board and a separate ESP8266 board?
If so, anything connected to pins 0 and 1?

Or one of those boards that have an ESP8266 integrated in an Uno.
In which case make sure that you have your dipswitches set correctly.

3

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