Arduino IDE getting stuck on uploading

Dear Community,

The newest IDE is installed on my PC and Laptop.
I want to flash a Wemos D1 mini. On PC, everything is working fine.

On the laptop, the IDE gets stuck on Connecting...

I tried to reinstall the IDE and also the COM Port Drivers.
After the latter, I could flash one time, then open Serial monitor and saw output.

After reattaching the microcontroller again, the same story as before. Connecting... And nothing after that.

Hi @Tryptamine. In order to gather more information that might help us to troubleshoot your problem, I'm going to ask you to post the full output from the upload when in verbose mode.


:exclamation: NOTE: These instructions will not solve the problem. They are only intended to gather more information which might provide a clue that eventually leads to a solution.


Please do this:

  1. Select File > Preferences from the Arduino IDE menus.
  2. Uncheck the checkbox next to Show verbose output during: compilation
  3. Check the checkbox next to Show verbose output during: ☐ upload.
  4. Click the OK button.
  5. Attempt an upload, as you did before.
  6. Wait for the upload to fail.
  7. You will see a "Upload error: ..." notification at the bottom right corner of the Arduino IDE window. Click the COPY ERROR MESSAGES button on that notification.
  8. Open a forum reply here by clicking the Reply button.
  9. Click the </> icon on the post composer toolbar.
    This will add the forum's code block markup (```) to your reply to make sure the error messages are correctly formatted.
    Code block
  10. Press Ctrl+V.
    This will paste the error output from the upload into the code block.
  11. Move the cursor outside of the code tags before you add any additional text to your reply.
  12. Click the Reply button to post the output.
Arduino: 1.8.19 (Windows 10), Board: "LOLIN(WEMOS) D1 R2 & mini, 80 MHz, Flash, Disabled (new aborts on oom), Disabled, All SSL ciphers (most compatible), 32KB cache + 32KB IRAM (balanced), Use pgm_read macros for IRAM/PROGMEM, 4MB (FS:2MB OTA:~1019KB), v2 Lower Memory, Disabled, None, Only Sketch, 921600"

C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\floos\AppData\Local\Arduino15\packages -hardware C:\Users\floos\OneDrive\Dokumente\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\floos\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\floos\OneDrive\Dokumente\Arduino\libraries -fqbn=esp8266:esp8266:d1_mini:xtal=80,vt=flash,exception=disabled,stacksmash=disabled,ssl=all,mmu=3232,non32xfer=fast,eesz=4M2M,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=921600 -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\floos\AppData\Local\Temp\arduino_build_536146 -warnings=none -build-cache C:\Users\floos\AppData\Local\Temp\arduino_cache_173895 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.xtensa-lx106-elf-gcc.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.xtensa-lx106-elf-gcc-3.0.4-gcc10.3-1757bed.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.python3.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.python3-3.7.2-post1.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.mklittlefs.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\mklittlefs\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.mklittlefs-3.0.4-gcc10.3-1757bed.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\mklittlefs\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.mkspiffs.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\mkspiffs\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.mkspiffs-3.0.4-gcc10.3-1757bed.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\mkspiffs\3.0.4-gcc10.3-1757bed -verbose G:\My Drive\Projekte\Arduino\Flow\Flow.ino

C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -hardware C:\Users\floos\AppData\Local\Arduino15\packages -hardware C:\Users\floos\OneDrive\Dokumente\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -tools C:\Users\floos\AppData\Local\Arduino15\packages -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\floos\OneDrive\Dokumente\Arduino\libraries -fqbn=esp8266:esp8266:d1_mini:xtal=80,vt=flash,exception=disabled,stacksmash=disabled,ssl=all,mmu=3232,non32xfer=fast,eesz=4M2M,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=921600 -vid-pid=1A86_7523 -ide-version=10819 -build-path C:\Users\floos\AppData\Local\Temp\arduino_build_536146 -warnings=none -build-cache C:\Users\floos\AppData\Local\Temp\arduino_cache_173895 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.xtensa-lx106-elf-gcc.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.xtensa-lx106-elf-gcc-3.0.4-gcc10.3-1757bed.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\xtensa-lx106-elf-gcc\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.python3.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.python3-3.7.2-post1.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\python3\3.7.2-post1 -prefs=runtime.tools.mklittlefs.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\mklittlefs\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.mklittlefs-3.0.4-gcc10.3-1757bed.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\mklittlefs\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.mkspiffs.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\mkspiffs\3.0.4-gcc10.3-1757bed -prefs=runtime.tools.mkspiffs-3.0.4-gcc10.3-1757bed.path=C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\mkspiffs\3.0.4-gcc10.3-1757bed -verbose G:\My Drive\Projekte\Arduino\Flow\Flow.ino

Using board 'd1_mini' from platform in folder: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2

Using core 'esp8266' from platform in folder: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2

Detecting libraries used...

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-g++" -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -D_GNU_SOURCE "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/lwip2/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/libc/xtensa-lx106-elf/include" "-IC:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/core" -c -w -Werror=return-type -Os -g -free -fipa-pta -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++17 -ffunction-sections -fdata-sections -fno-exceptions -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000 -w -x c++ -E -CC -DNONOSDK22x_190703=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10819 -DARDUINO_ESP8266_WEMOS_D1MINI -DARDUINO_ARCH_ESP8266 "-DARDUINO_BOARD=\"ESP8266_WEMOS_D1MINI\"" -DFLASHMODE_DIO -DESP8266 "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\cores\\esp8266" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\variants\\d1_mini" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\sketch\\Flow.ino.cpp" -o nul

Alternatives for ESP8266WiFi.h: [ESP8266WiFi@1.0]

ResolveLibrary(ESP8266WiFi.h)

  -> candidates: [ESP8266WiFi@1.0]

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-g++" -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -D_GNU_SOURCE "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/lwip2/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/libc/xtensa-lx106-elf/include" "-IC:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/core" -c -w -Werror=return-type -Os -g -free -fipa-pta -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++17 -ffunction-sections -fdata-sections -fno-exceptions -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000 -w -x c++ -E -CC -DNONOSDK22x_190703=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10819 -DARDUINO_ESP8266_WEMOS_D1MINI -DARDUINO_ARCH_ESP8266 "-DARDUINO_BOARD=\"ESP8266_WEMOS_D1MINI\"" -DFLASHMODE_DIO -DESP8266 "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\cores\\esp8266" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\variants\\d1_mini" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\ESP8266WiFi\\src" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\sketch\\Flow.ino.cpp" -o nul

Alternatives for SPI.h: [SPI@1.0]

ResolveLibrary(SPI.h)

  -> candidates: [SPI@1.0]

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-g++" -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -D_GNU_SOURCE "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/lwip2/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/libc/xtensa-lx106-elf/include" "-IC:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/core" -c -w -Werror=return-type -Os -g -free -fipa-pta -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++17 -ffunction-sections -fdata-sections -fno-exceptions -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000 -w -x c++ -E -CC -DNONOSDK22x_190703=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10819 -DARDUINO_ESP8266_WEMOS_D1MINI -DARDUINO_ARCH_ESP8266 "-DARDUINO_BOARD=\"ESP8266_WEMOS_D1MINI\"" -DFLASHMODE_DIO -DESP8266 "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\cores\\esp8266" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\variants\\d1_mini" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\ESP8266WiFi\\src" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\SPI" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\sketch\\Flow.ino.cpp" -o nul

Alternatives for Wire.h: [Wire@1.0]

ResolveLibrary(Wire.h)

  -> candidates: [Wire@1.0]

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-g++" -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -D_GNU_SOURCE "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/lwip2/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/libc/xtensa-lx106-elf/include" "-IC:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/core" -c -w -Werror=return-type -Os -g -free -fipa-pta -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++17 -ffunction-sections -fdata-sections -fno-exceptions -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000 -w -x c++ -E -CC -DNONOSDK22x_190703=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10819 -DARDUINO_ESP8266_WEMOS_D1MINI -DARDUINO_ARCH_ESP8266 "-DARDUINO_BOARD=\"ESP8266_WEMOS_D1MINI\"" -DFLASHMODE_DIO -DESP8266 "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\cores\\esp8266" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\variants\\d1_mini" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\ESP8266WiFi\\src" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\SPI" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\Wire" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\sketch\\Flow.ino.cpp" -o nul

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\BearSSLHelpers.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\CertStoreBearSSL.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\ESP8266WiFi.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\ESP8266WiFiAP.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\ESP8266WiFiGeneric.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\ESP8266WiFiGratuitous.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\ESP8266WiFiMulti.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\ESP8266WiFiSTA-WPS.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\ESP8266WiFiSTA.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\ESP8266WiFiScan.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\WiFiClient.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\WiFiClientSecureBearSSL.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\WiFiServer.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\WiFiServerSecureBearSSL.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\WiFiUdp.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi\src\enable_wifi_at_boot_time.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\SPI\SPI.cpp

Using cached library dependencies for file: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\Wire\Wire.cpp

Generating function prototypes...

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-g++" -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -D_GNU_SOURCE "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/lwip2/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/libc/xtensa-lx106-elf/include" "-IC:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/core" -c -w -Werror=return-type -Os -g -free -fipa-pta -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++17 -ffunction-sections -fdata-sections -fno-exceptions -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000 -w -x c++ -E -CC -DNONOSDK22x_190703=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10819 -DARDUINO_ESP8266_WEMOS_D1MINI -DARDUINO_ARCH_ESP8266 "-DARDUINO_BOARD=\"ESP8266_WEMOS_D1MINI\"" -DFLASHMODE_DIO -DESP8266 "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\cores\\esp8266" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\variants\\d1_mini" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\ESP8266WiFi\\src" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\SPI" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\Wire" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\sketch\\Flow.ino.cpp" -o "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\preproc\\ctags_target_for_gcc_minus_e.cpp"

"C:\\Users\\floos\\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\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\preproc\\ctags_target_for_gcc_minus_e.cpp"

Compiling sketch...

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\python3\\3.7.2-post1/python3" -I "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/signing.py" --mode header --publickey "G:\\My Drive\\Projekte\\Arduino\\Flow/public.key" --out "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/core/Updater_Signing.h"

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-g++" -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -D_GNU_SOURCE "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/lwip2/include" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/libc/xtensa-lx106-elf/include" "-IC:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/core" -c -w -Werror=return-type -Os -g -free -fipa-pta -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++17 -MMD -ffunction-sections -fdata-sections -fno-exceptions -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000 -DNONOSDK22x_190703=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10819 -DARDUINO_ESP8266_WEMOS_D1MINI -DARDUINO_ARCH_ESP8266 "-DARDUINO_BOARD=\"ESP8266_WEMOS_D1MINI\"" -DFLASHMODE_DIO -DESP8266 "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\cores\\esp8266" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\variants\\d1_mini" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\ESP8266WiFi\\src" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\SPI" "-IC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2\\libraries\\Wire" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\sketch\\Flow.ino.cpp" -o "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\sketch\\Flow.ino.cpp.o"

Compiling libraries...

Compiling library "ESP8266WiFi"

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\CertStoreBearSSL.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\BearSSLHelpers.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\ESP8266WiFiGratuitous.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\ESP8266WiFiMulti.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\ESP8266WiFiSTA-WPS.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\ESP8266WiFi.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\ESP8266WiFiGeneric.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\ESP8266WiFiAP.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\ESP8266WiFiScan.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\ESP8266WiFiSTA.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\WiFiClient.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\WiFiServer.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\WiFiServerSecureBearSSL.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\WiFiUdp.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\enable_wifi_at_boot_time.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\WiFiClientSecureBearSSL.cpp.o

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\ESP8266WiFi\ESP8266WiFi.a

Compiling library "SPI"

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\SPI\SPI.cpp.o

Compiling library "Wire"

Using previously compiled file: C:\Users\floos\AppData\Local\Temp\arduino_build_536146\libraries\Wire\Wire.cpp.o

Compiling core...

Using precompiled core: C:\Users\floos\AppData\Local\Temp\arduino_cache_173895\core\core_1473da96ad405e02e4d0059f5bbdaa14.a

Linking everything together...

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\python3\\3.7.2-post1/python3" -I "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/mkdir.py" -p "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/ld_h/"

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\python3\\3.7.2-post1/python3" -I "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/cp.py" "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/ld/eagle.flash.4m2m.ld" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/ld_h/local.eagle.flash.ld.h"

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-gcc" -CC -E -P -DVTABLES_IN_FLASH -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000 "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/ld_h/local.eagle.flash.ld.h" -o "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/local.eagle.flash.ld"

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-gcc" -CC -E -P -DVTABLES_IN_FLASH -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000 "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/ld/eagle.app.v6.common.ld.h" -o "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/local.eagle.app.v6.common.ld"

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-gcc" -fno-exceptions -Wl,-Map "-Wl,C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/Flow.ino.map" -g -w -Werror=return-type -Os -nostdlib -Wl,--no-check-sections -u app_entry -u _printf_float -u _scanf_float -Wl,-static "-LC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/lib" "-LC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/lib/NONOSDK22x_190703" "-LC:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146" "-LC:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sdk/libc/xtensa-lx106-elf/lib" -Tlocal.eagle.flash.ld -Wl,--gc-sections -Wl,-wrap,system_restart_local -Wl,-wrap,spi_flash_read -o "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/Flow.ino.elf" -Wl,--start-group "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\sketch\\Flow.ino.cpp.o" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\libraries\\ESP8266WiFi\\ESP8266WiFi.a" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\libraries\\SPI\\SPI.cpp.o" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146\\libraries\\Wire\\Wire.cpp.o" "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_cache_173895\\core\\core_1473da96ad405e02e4d0059f5bbdaa14.a" -lhal -lphy -lpp -lnet80211 -llwip2-536-feat -lwpa -lcrypto -lmain -lwps -lbearssl -lespnow -lsmartconfig -lairkiss -lwpa2 -lstdc++ -lm -lc -lgcc -Wl,--end-group "-LC:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146"

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\python3\\3.7.2-post1/python3" -I "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/elf2bin.py" --eboot "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/bootloaders/eboot/eboot.elf" --app "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/Flow.ino.elf" --flash_mode dio --flash_freq 40 --flash_size 4M --path "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin" --out "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/Flow.ino.bin"

Creating BIN file "C:\Users\floos\AppData\Local\Temp\arduino_build_536146/Flow.ino.bin" using "C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2/bootloaders/eboot/eboot.elf" and "C:\Users\floos\AppData\Local\Temp\arduino_build_536146/Flow.ino.elf"

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\python3\\3.7.2-post1/python3" -I "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/signing.py" --mode sign --privatekey "G:\\My Drive\\Projekte\\Arduino\\Flow/private.key" --bin "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/Flow.ino.bin" --out "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/Flow.ino.bin.signed" --legacy "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/Flow.ino.bin.legacy_sig"

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\python3\\3.7.2-post1/python3" -I "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\hardware\\esp8266\\3.0.2/tools/sizes.py" --elf "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/Flow.ino.elf" --path "C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin" --mmu "-DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000"

Executable segment sizes:

ICACHE : 32768           - flash instruction cache 

IROM   : 246260          - code in flash         (default or ICACHE_FLASH_ATTR) 

IRAM   : 27141   / 32768 - code in IRAM          (IRAM_ATTR, ISRs...) 

DATA   : 1504  )         - initialized variables (global, static) in RAM/HEAP 

RODATA : 992   ) / 81920 - constants             (global, static) in RAM/HEAP 

BSS    : 26448 )         - zeroed variables      (global, static) in RAM/HEAP 

Using library ESP8266WiFi at version 1.0 in folder: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\ESP8266WiFi 

Using library SPI at version 1.0 in folder: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\SPI 

Using library Wire at version 1.0 in folder: C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2\libraries\Wire 

"C:\\Users\\floos\\AppData\\Local\\Arduino15\\packages\\esp8266\\tools\\xtensa-lx106-elf-gcc\\3.0.4-gcc10.3-1757bed/bin/xtensa-lx106-elf-size" -A "C:\\Users\\floos\\AppData\\Local\\Temp\\arduino_build_536146/Flow.ino.elf"

Sketch uses 275897 bytes (26%) of program storage space. Maximum is 1044464 bytes.

Global variables use 28944 bytes (35%) of dynamic memory, leaving 52976 bytes for local variables. Maximum is 81920 bytes.

C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\tools\python3\3.7.2-post1/python3 -I C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2/tools/upload.py --chip esp8266 --port COM3 --baud 921600 --before default_reset --after hard_reset write_flash 0x0 C:\Users\floos\AppData\Local\Temp\arduino_build_536146/Flow.ino.bin 

esptool.py v3.0

Serial port COM3

Connecting........_____....._____....._____....._____....._____....._____.....____Traceback (most recent call last):

  File "C:\Users\floos\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\3.0.2/tools/upload.py", line 66, in <module>

    esptool.main(cmdline)

  File "C:/Users/floos/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/3.0.2/tools/esptool\esptool.py", line 3552, in main

    esp.connect(args.before, args.connect_attempts)

  File "C:/Users/floos/AppData/Local/Arduino15/packages/esp8266/hardware/esp8266/3.0.2/tools/esptool\esptool.py", line 529, in connect

    raise FatalError('Failed to connect to %s: %s' % (self.CHIP_NAME, last_error))

esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header

esptool.FatalError: Failed to connect to ESP8266: Timed out waiting for packet header



_


Thanks! Now I would like to request you to also provide the verbose output from the successful upload using your laptop. It might be we can spot some difference in the commands shown there that will explain the different results between the two computers.

Please do this:

  1. On your laptop, select File > Preferences from the Arduino IDE menus.
  2. Uncheck the checkbox next to Show verbose output during: compilation.
  3. Check the checkbox next to Show verbose output during: ☐ upload.
  4. Click the OK button.
  5. Attempt an upload, as you did before.
  6. Wait for the upload process to finish.
  7. Click on the black console panel at the bottom of the Arduino IDE window.
  8. Press Ctrl+A to select all the text.
  9. Press Ctrl+C.
    This will copy the selected text to the clipboard.
  10. Open a forum reply here by clicking the Reply button.
  11. Click the </> icon on the post composer toolbar.
    This will add the forum's code block markup (```) to your reply to make sure the error messages are correctly formatted.
    Code block
  12. Press Ctrl+V.
    This will paste the error output from the upload into the code block.
  13. Move the cursor outside of the code tags before you add any additional text to your reply.
  14. Click the Reply button to post the output.

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