Problems uploading to Board

Arduino Uno R3 -1.8.19 Mac Os X

I know it is a common problem because I have seen it mentioned frequently. I have scanned the forum and seems each person has a different issue.

**MY ISSUE:**strong text Uno was working before and down has problems uploading to board.

WHAT I WAS DOING BEFORE:strong text running tutorial on DHT11 off youtube. Got it successfully reading. Then got Nano and was doing switch over to it disconnecting all wires from Nano. Then Nano was not reading.

WHAT I HAVE DONE: Selected Uno, Serial port reads USB, changed USB cable, checked connections. Restarted program. Tried to load basic program.

**WHAT IT DOES:**strong text power is on to UNO, L LED and TX LED are on. If I press RESET L LED blinks. Not able to upload to board.

This is the error message copied- I don't know a thing about formatting so forgive me:

Arduino: 1.8.19 (Mac OS X), Board: "Arduino Uno"

/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/arduino-builder -dump-prefs -logger=machine -hardware /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware -tools /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/tools-builder -tools /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -built-in-libraries /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/libraries -libraries /Users/edwardcunningham/Documents/Arduino/libraries -fqbn=arduino:avr:uno -vid-pid=2341_0042 -ide-version=10819 -build-path /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881 -warnings=none -build-cache /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_cache_755335 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.avrdude.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.arduinoOTA.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -verbose /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_modified_sketch_271653/BareMinimum.ino
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/arduino-builder -compile -logger=machine -hardware /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware -tools /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/tools-builder -tools /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -built-in-libraries /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/libraries -libraries /Users/edwardcunningham/Documents/Arduino/libraries -fqbn=arduino:avr:uno -vid-pid=2341_0042 -ide-version=10819 -build-path /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881 -warnings=none -build-cache /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_cache_755335 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.avrdude.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.arduinoOTA.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr -verbose /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_modified_sketch_271653/BareMinimum.ino
Using board 'uno' from platform in folder: /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/arduino/avr
Using core 'arduino' from platform in folder: /private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/arduino/avr
Detecting libraries used...
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/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=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -I/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/arduino/avr/cores/arduino -I/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/arduino/avr/variants/standard /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/sketch/BareMinimum.ino.cpp -o /dev/null
Generating function prototypes...
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/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=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -I/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/arduino/avr/cores/arduino -I/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/arduino/avr/variants/standard /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/sketch/BareMinimum.ino.cpp -o /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/preproc/ctags_target_for_gcc_minus_e.cpp
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/tools-builder/ctags/5.8-arduino11/ctags -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/preproc/ctags_target_for_gcc_minus_e.cpp
Compiling sketch...
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/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=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -I/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/arduino/avr/cores/arduino -I/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/arduino/avr/variants/standard /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/sketch/BareMinimum.ino.cpp -o /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/sketch/BareMinimum.ino.cpp.o
Compiling libraries...
Compiling core...
Using precompiled core: /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_cache_755335/core/core_arduino_avr_uno_a0ddf9ba5af380cdb14ea2936aeeace1.a
Linking everything together...
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/bin/avr-gcc -w -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=atmega328p -o /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/BareMinimum.ino.elf /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/sketch/BareMinimum.ino.cpp.o /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/../arduino_cache_755335/core/core_arduino_avr_uno_a0ddf9ba5af380cdb14ea2936aeeace1.a -L/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881 -lm
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/bin/avr-objcopy -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/BareMinimum.ino.elf /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/BareMinimum.ino.eep
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/bin/avr-objcopy -O ihex -R .eeprom /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/BareMinimum.ino.elf /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/BareMinimum.ino.hex
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/bin/avr-size -A /var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/BareMinimum.ino.elf
Sketch uses 924 bytes (2%) 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.
/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/bin/avrdude -C/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/etc/avrdude.conf -v -patmega328p -carduino -P/dev/cu.usbmodemFA131 -b115200 -D -Uflash:w:/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/arduino_build_624881/BareMinimum.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 "/private/var/folders/5x/2h1hyjws3p3d4k44mqybjbzr0000gn/T/AppTranslocation/9D1A93DA-FDA3-4EC6-A37B-BB9DA460DF3D/d/Arduino.app/Contents/Java/hardware/tools/avr/etc/avrdude.conf"
         User configuration file is "/Users/edwardcunningham/.avrduderc"
         User configuration file does not exist or is not a regular file, skipping

         Using Port                    : /dev/cu.usbmodemFA131
         Using Programmer              : arduino
         Overriding Baud Rate          : 115200
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x00
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x00

avrdude done.  Thank you.

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

Hi @ecunn. This error might be caused by having the wrong port selected from the Tools > Port menu in Arduino IDE.

Please perform this experiment to verify that the port you have selected is your Arduino board:

With official boards, the port will be labeled with the board name in the menu (e.g., "COM42 (Arduino Uno)"). In this case, you can be fairly confident that you have identified the port. Select that port from the menu and try uploading again.

With some cheap derivative boards the port will not be labeled. You can positively identify the port using this procedure:

  1. Disconnect the USB cable of the Arduino board from your computer.
  2. Select Tools > Port from the Arduino IDE menus.
  3. Take note of the ports, if any, listed in the menu.
  4. Close the Tools menu.
    :exclamation: The ports list is only updated when the Tools menu is re-opened, so this step is essential.
  5. Connect the Arduino board to your computer with a USB cable.
  6. Select Tools > Port from the Arduino IDE menus. - If a new port is listed in the menu, that is the port of your Arduino board.

Select that port from the menu and try uploading again.

If the upload still fails, or if no new port appeared after you plugged the Arduino board into your computer, add a reply here to let us know and we'll investigate the problem further.

I suspect a damaged serial-to-usb chip. The TX LED should only flash when data is transferred, TX LED permanently on is a sign of damage in my opinion.

What is the serial-to usb chip on your board? It's the chip closest to the the USB connector. If it's not the CH340, you can run the loopback test (Loop-Back Test Instructions)

Thank you. The serial port on Mac reads (Arduino Mega or Mega 2560). This is correct.

But the error message in the opening post states Uno? Did you select the correct board?

The loop test was passed.

Yes, the Board selected is Arduino Uno

While the basic program is being uploaded the L LED is on and the RX LED flashes intermittently, Then when finished and the error comes up the TX LED goes on and stays on until I try to load it again.

But your Mac identifies it as a Mega and that is not correct (although you state it is correct). I do know what is happening.

Boy do I feel stupid. I have indicating the Board is a UNO and it is Mega 2560. Once changed it works.
The Nano problem is another issue.

Problem solved

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