Hallo Gemeinde!
Bin ein absoluter Anfänger, was das Thema Arduino betrifft.
Habe mir ein Keyestudio basic starter kit besorgt und war nun dabei die "Lektionen" abzuarbeiten.
Anfangs lief es ganz gut, aber jetzt lässt sich kein sketch mehr hochladen. Habe den Gerätemanger und auch die Einstellungen im Arduino überprüft, aber er meckert immer wieder über die COM-Verbindung. Wenn ich den Arduino neu verbinde, blinken die LED "TX" und "L" sehr schnell.
Ich hänge mal die Fehlermeldung mit an. Danke vorab für Eure Hilfe.
Arduino: 1.8.18 (Windows 10), Board: "Arduino Uno"
C:\Program Files (x86)\Arduino\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Schwabenpower\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=2341_0043 -ide-version=10818 -build-path C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129 -warnings=none -build-cache C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_cache_19769 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Schwabenpower\Documents\Arduino\sketch_jul31a\sketch_jul31a.ino
C:\Program Files (x86)\Arduino\arduino-builder -compile -logger=machine -hardware C:\Program Files (x86)\Arduino\hardware -tools C:\Program Files (x86)\Arduino\tools-builder -tools C:\Program Files (x86)\Arduino\hardware\tools\avr -built-in-libraries C:\Program Files (x86)\Arduino\libraries -libraries C:\Users\Schwabenpower\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=2341_0043 -ide-version=10818 -build-path C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129 -warnings=none -build-cache C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_cache_19769 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avr-gcc.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-7.3.0-atmel3.6.1-arduino7.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino17.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.3.0.path=C:\Program Files (x86)\Arduino\hardware\tools\avr -verbose C:\Users\Schwabenpower\Documents\Arduino\sketch_jul31a\sketch_jul31a.ino
Using board 'uno' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr
Using core 'arduino' from platform in folder: C:\Program Files (x86)\Arduino\hardware\arduino\avr
Detecting libraries used...
"C:\Program Files (x86)\Arduino\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=10818 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino" "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard" "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129\sketch\sketch_jul31a.ino.cpp" -o nul
Generating function prototypes...
"C:\Program Files (x86)\Arduino\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=10818 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino" "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard" "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129\sketch\sketch_jul31a.ino.cpp" -o "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129\preproc\ctags_target_for_gcc_minus_e.cpp"
"C:\Program Files (x86)\Arduino\tools-builder\ctags\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129\preproc\ctags_target_for_gcc_minus_e.cpp"
Sketch wird kompiliert...
"C:\Program Files (x86)\Arduino\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=10818 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino" "-IC:\Program Files (x86)\Arduino\hardware\arduino\avr\variants\standard" "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129\sketch\sketch_jul31a.ino.cpp" -o "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129\sketch\sketch_jul31a.ino.cpp.o"
Compiling libraries...
Compiling core...
Using precompiled core: C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_cache_19769\core\core_arduino_avr_uno_0c812875ac70eb4a9b385d8fb077f54c.a
Linking everything together...
"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-gcc" -w -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=atmega328p -o "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129/sketch_jul31a.ino.elf" "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129\sketch\sketch_jul31a.ino.cpp.o" "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129/..\arduino_cache_19769\core\core_arduino_avr_uno_0c812875ac70eb4a9b385d8fb077f54c.a" "-LC:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129" -lm
"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-objcopy" -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129/sketch_jul31a.ino.elf" "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129/sketch_jul31a.ino.eep"
"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-objcopy" -O ihex -R .eeprom "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129/sketch_jul31a.ino.elf" "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129/sketch_jul31a.ino.hex"
"C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avr-size" -A "C:\Users\SCHWAB~1\AppData\Local\Temp\arduino_build_214129/sketch_jul31a.ino.elf"
Der Sketch verwendet 742 Bytes (2%) des Programmspeicherplatzes. Das Maximum sind 32256 Bytes.
Globale Variablen verwenden 9 Bytes (0%) des dynamischen Speichers, 2039 Bytes für lokale Variablen verbleiben. Das Maximum sind 2048 Bytes.
avrdude: ser_open(): can't open device "\.\COM4": Zugriff verweigert
Problem uploading to board. See https://support.arduino.cc/hc/en-us/sections/360003198300 for suggestions.