Can't upload code to nano V3 CH340

Development Tools Uploading
1

Hello, when i'm trying uplode code, get error, try different USB cable, instal CH340 drivers, use old bootloader, but still can't upload code to nano, maybe have some ideas?
Using Robotdyn Nano CH340

Arduino: 1.8.5 (Windows 8.1), Board: "Arduino Nano, ATmega328P (Old Bootloader)"

Build options changed, rebuilding all
Sketch uses 928 bytes (3%) of program storage space. Maximum is 30720 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.
C:\Users\Laurynas\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino9/bin/avrdude -CC:\Users\Laurynas\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino9/etc/avrdude.conf -v -patmega328p -carduino -PCOM8 -b57600 -D -Uflash:w:C:\Users\Laurynas\AppData\Local\Temp\arduino_build_928087/Blink.ino.hex:i

avrdude: Version 6.3, compiled on Jan 17 2017 at 12:00:53
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch

     System wide configuration file is "C:\Users\Laurynas\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino9/etc/avrdude.conf"

     Using Port                    : COM8
     Using Programmer              : arduino
     Overriding Baud Rate          : 57600
     AVR Part                      : ATmega328P
     Chip Erase delay              : 9000 us
     PAGEL                         : PD7
     BS2                           : PC2
     RESET disposition             : dedicated
     RETRY pulse                   : SCK
     serial program mode           : yes
     parallel program mode         : yes
     Timeout                       : 200
     StabDelay                     : 100
     CmdexeDelay                   : 25
     SyncLoops                     : 32
     ByteDelay                     : 0
     PollIndex                     : 3
     PollValue                     : 0x53
     Memory Detail                 :

                              Block Poll               Page                       Polled
       Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
       ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
       eeprom        65    20     4    0 no       1024    4      0  3600  3600 0xff 0xff
       flash         65     6   128    0 yes     32768  128    256  4500  4500 0xff 0xff
       lfuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
       hfuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
       efuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
       lock           0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
       calibration    0     0     0    0 no          1    0      0     0     0 0x00 0x00
       signature      0     0     0    0 no          3    0      0     0     0 0x00 0x00

     Programmer Type : Arduino
     Description     : Arduino

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0xfc
Hardware Version: 4728160
Firmware Version: 1.16

avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0xfc
Vtarget : 420030.5 V
Varef : 0.0 V
Oscillator : Off
SCK period : 0.1 us

avrdude: stk500_set_extended_parms(): unknown response=0xfc
avrdude: stk500_initialize(): failed
avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
this check.

avrdude: stk500_disable(): unknown response=0xfc

avrdude done. Thank you.

the selected serial port
does not exist or your board is not connected

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

2

I am having the same issue with one of my boards. The other two (it was a pack of three) work fine and upload perfectly, but I can’t get this on to work. I have also installed the drivers, and I know the board was functioning as it came preloaded with a blink sketch

3

See what Device Manager shows when you plug in the Nano.
It should be USB-SERIAL CH340 (COMxx), where xx is your port number.

4

Com port 8, try different port but still nothing, device manager show ch340 and com port 8 when unplug its disapear, so not this problem

5

Further.
Tools> Board: "Arduino Nano"
Tools> Processor: "ATmega328P (Old Bootloader)"
Tools> Port> COM8
Tools> Get Board Info
GetBoardInfo-Nano

6

And? I see this also

7

Still same error

8

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