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Topic: Help me out Quickly please!!!! (Read 111 times) previous topic - next topic


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Arduino: 1.8.13 (Windows 10), Board: "Arduino Uno"

Sketch uses 1958 bytes (6%) of program storage space. Maximum is 32256 bytes.

Global variables use 223 bytes (10%) of dynamic memory, leaving 1825 bytes for local variables. Maximum is 2048 bytes.

C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avrdude -CC:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf -v -patmega328p -carduino -PCOM3 -b115200 -D -Uflash:w:C:\Users\Shahzad\AppData\Local\Temp\arduino_build_605373/relay-led.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:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf"

         Using Port                    : COM3

         Using Programmer              : arduino

         Overriding Baud Rate          : 115200

avrdude: ser_open(): can't open device "\\.\COM3": The semaphore timeout period has expired.

avrdude done.  Thank you.

Problem uploading to board.  See http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.

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


Aug 03, 2020, 05:27 pm Last Edit: Aug 03, 2020, 05:27 pm by TheMemberFormerlyKnownAsAWOL
Do you have a question?
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yes !!!  when ever i upload code to board it gives mean error. I change serial port to resolve the issue also set the preference upload setting but  doesn't get the desire result . Please let me know what to do next?



Other post/duplicate DELETED
Please do NOT cross post / duplicate as it wastes peoples time and efforts to have more than one post for a single topic.

Continued cross posting could result in a time out from the forum.

Could you also take a few moments to Learn How To Use The Forum.
It will help you get the best out of the forum in the future.
Other general help and troubleshooting advice can be found here.

It may not be the answer you were looking for but its the one I am giving based on either experience, educated guess, google (who would have thunk it ! ) or the fact that you gave nothing to go with in the first place so I used my wonky crystal ball.


sorry for that sir. I will make it sure not to waste your time.  I tried all possible solution regarding to this but I can't solve my problem.


You may have something else connected to that con port ( eg a blue tooth device, printer whatever  ) or the Arduino isn't actually on that port .
Unplug it / plug it in and see which port disappears /appears in tools/port  menu to correctly identify the port .

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