Can someone help me about this error?thankyou

Projects Programming
1 
Arduino: 1.8.19 (Windows 10), Board: "Arduino Uno"

Sketch uses 5096 bytes (15%) of program storage space. Maximum is 32256 bytes.

Global variables use 384 bytes (18%) of dynamic memory, leaving 1664 bytes for local variables. Maximum is 2048 bytes.

C:\Users\muhdh\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/bin/avrdude -CC:\Users\muhdh\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf -v -patmega328p -carduino -PCOM4 -b115200 -D -Uflash:w:C:\Users\muhdh\AppData\Local\Temp\arduino_build_252894/mop.ino.hex:i 



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



         Using Port                    : COM4

         Using Programmer              : arduino

         Overriding Baud Rate          : 115200

An error occurred while uploading the sketch

avrdude: ser_open(): can't set com-state for "\\.\COM4"



avrdude done.  Thank you.





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

this means your PC has trouble finding and discussing with your arduino on COM4

right port selected? good USB cable? really an UNO on the other side?

3

no device on this port, select proper port

4

i already install the ch340 driver and use a new cable. but the error still occured

5

the UNO does not need a CH340

when you plug in your Arduino, does it show up in the ports ? does window tell you something got connected ? same when you unplug ?

6

image

yes, the port show up. but the error still occured

7

and if you remove the Arduino, the port disappear ? (I use a Mac so not sure about the behaviour on windows)

8

image
Yes, the port disappeared. what do you think?

9

may be a boot loader issue on your board... if you have an extra board, may be consider reinstalling the boot loader

10

Have you got anything connected to pins 0 and 1 ?

11

Hi, @hazequino
Welcome to the forum.

Can you please post an image of your Arduino UNO please?

Thanks.. Tom.. :smiley: :+1: :coffee: :australia:

12

original not need, but clone does

13

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