Uploading error with arduino uno

Using Arduino IDE 1.x
1

Arduino: 1.8.18 (Windows 10), Board: "Arduino Uno"

Sketch uses 444 bytes (1%) of program storage space. Maximum is 32256 bytes.

Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.

avrdude: verification error, first mismatch at byte 0x0000

     0x62 != 0x0c

avrdude: verification error; content mismatch

avrdude: verification error; content mismatch

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

plz help

2

Go to File -> Preferences... and turn on:

Show verbose output during: [ ]compilation. [X]upload

Then show us the verbose output.

3

Arduino: 1.8.18 (Windows 10), Board: "Arduino Uno"

C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\arduino-builder -dump-prefs -logger=machine -hardware C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\hardware -hardware C:\Users\project\AppData\Local\Arduino15\packages -tools C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\tools-builder -tools C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\hardware\tools\avr -tools C:\Users\project\AppData\Local\Arduino15\packages -built-in-libraries C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\libraries -libraries C:\Users\project\OneDrive\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10818 -build-path C:\Users\project\AppData\Local\Temp\arduino_build_989413 -warnings=none -build-cache C:\Users\project\AppData\Local\Temp\arduino_cache_656597 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\arduinoOTA\1.3.0 -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\arduinoOTA\1.3.0 -prefs=runtime.tools.avrdude.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17 -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17 -prefs=runtime.tools.avr-gcc.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7 -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7 -verbose C:\Users\project\AppData\Local\Temp\untitled638082601.tmp\sketch_dec05b\sketch_dec05b.ino

C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\arduino-builder -compile -logger=machine -hardware C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\hardware -hardware C:\Users\project\AppData\Local\Arduino15\packages -tools C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\tools-builder -tools C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\hardware\tools\avr -tools C:\Users\project\AppData\Local\Arduino15\packages -built-in-libraries C:\Users\project\Downloads\arduino-1.8.18-windows\arduino-1.8.18\libraries -libraries C:\Users\project\OneDrive\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10818 -build-path C:\Users\project\AppData\Local\Temp\arduino_build_989413 -warnings=none -build-cache C:\Users\project\AppData\Local\Temp\arduino_cache_656597 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\arduinoOTA\1.3.0 -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\arduinoOTA\1.3.0 -prefs=runtime.tools.avrdude.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17 -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17 -prefs=runtime.tools.avr-gcc.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7 -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7 -verbose C:\Users\project\AppData\Local\Temp\untitled638082601.tmp\sketch_dec05b\sketch_dec05b.ino

Using board 'uno' from platform in folder: C:\Users\project\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6

Using core 'arduino' from platform in folder: C:\Users\project\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6

Detecting libraries used...

"C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10818 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Users\project\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\cores\arduino" "-IC:\Users\project\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\variants\standard" "C:\Users\project\AppData\Local\Temp\arduino_build_989413\sketch\sketch_dec05b.ino.cpp" -o nul

Generating function prototypes...

"C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10818 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Users\project\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\cores\arduino" "-IC:\Users\project\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\variants\standard" "C:\Users\project\AppData\Local\Temp\arduino_build_989413\sketch\sketch_dec05b.ino.cpp" -o "C:\Users\project\AppData\Local\Temp\arduino_build_989413\preproc\ctags_target_for_gcc_minus_e.cpp"

"C:\Users\project\AppData\Local\Arduino15\packages\builtin\tools\ctags\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\Users\project\AppData\Local\Temp\arduino_build_989413\preproc\ctags_target_for_gcc_minus_e.cpp"

Compiling sketch...

"C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10818 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Users\project\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\cores\arduino" "-IC:\Users\project\AppData\Local\Arduino15\packages\arduino\hardware\avr\1.8.6\variants\standard" "C:\Users\project\AppData\Local\Temp\arduino_build_989413\sketch\sketch_dec05b.ino.cpp" -o "C:\Users\project\AppData\Local\Temp\arduino_build_989413\sketch\sketch_dec05b.ino.cpp.o"

Compiling libraries...

Compiling core...

Using precompiled core: C:\Users\project\AppData\Local\Temp\arduino_cache_656597\core\core_arduino_avr_uno_1b3a0a1e8af8906c8d2cddaa0cb8c585.a

Linking everything together...

"C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-gcc" -w -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=atmega328p -o "C:\Users\project\AppData\Local\Temp\arduino_build_989413/sketch_dec05b.ino.elf" "C:\Users\project\AppData\Local\Temp\arduino_build_989413\sketch\sketch_dec05b.ino.cpp.o" "C:\Users\project\AppData\Local\Temp\arduino_build_989413/..\arduino_cache_656597\core\core_arduino_avr_uno_1b3a0a1e8af8906c8d2cddaa0cb8c585.a" "-LC:\Users\project\AppData\Local\Temp\arduino_build_989413" -lm

"C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-objcopy" -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 "C:\Users\project\AppData\Local\Temp\arduino_build_989413/sketch_dec05b.ino.elf" "C:\Users\project\AppData\Local\Temp\arduino_build_989413/sketch_dec05b.ino.eep"

"C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-objcopy" -O ihex -R .eeprom "C:\Users\project\AppData\Local\Temp\arduino_build_989413/sketch_dec05b.ino.elf" "C:\Users\project\AppData\Local\Temp\arduino_build_989413/sketch_dec05b.ino.hex"

"C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\7.3.0-atmel3.6.1-arduino7/bin/avr-size" -A "C:\Users\project\AppData\Local\Temp\arduino_build_989413/sketch_dec05b.ino.elf"

Sketch uses 444 bytes (1%) of program storage space. Maximum is 32256 bytes.

Global variables use 9 bytes (0%) of dynamic memory, leaving 2039 bytes for local variables. Maximum is 2048 bytes.

C:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/bin/avrdude -CC:\Users\project\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf -v -V -patmega328p -carduino -PCOM7 -b115200 -D -Uflash:w:C:\Users\project\AppData\Local\Temp\arduino_build_989413/sketch_dec05b.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\project\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf"



     Using Port                    : COM7

     Using Programmer              : arduino

     Overriding Baud Rate          : 115200

avrdude: ser_open(): can't open device "\.\COM7": Access is denied.

avrdude done. Thank you.

Problem uploading to board. See https://support.arduino.cc/hc/en-us/sections/360003198300 for suggestions.

4

That's a different error. Something is preventing avrdude from using COM7. Perhaps another app is connected to COM7. Fix that problem and try again.

5

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