... ich hoffe so ist es gemeint! - Danke für Deine Hilfe Ich habe vorhin andere Sketche aus dem Forum ausprobiert, die lassen sich ohne Fehlermeldung laden und ausführen Scrennshots anbei Arduino: 1.8.7 (Windows Store 1.8.15.0) (Windows 10), Board: "Arduino/Genuino Uno" C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\libraries -libraries X:\02 - Eigene Dateien\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=0X2341_0X0043 -ide-version=10807 -build-path C:\Users\Carlos\AppData\Local\Temp\arduino_build_751415 -warnings=none -build-cache C:\Users\Carlos\AppData\Local\Temp\arduino_cache_834762 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avrdude.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino14.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avr-gcc-5.4.0-atmel3.6.1-arduino2.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.2.1.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -verbose X:\02 - Eigene Dateien\Arduino\test\test.ino C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\arduino-builder -compile -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\libraries -libraries X:\02 - Eigene Dateien\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=0X2341_0X0043 -ide-version=10807 -build-path C:\Users\Carlos\AppData\Local\Temp\arduino_build_751415 -warnings=none -build-cache C:\Users\Carlos\AppData\Local\Temp\arduino_cache_834762 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.avrdude.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino14.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.avr-gcc-5.4.0-atmel3.6.1-arduino2.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.arduinoOTA.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.2.1.path=C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\tools\avr -verbose X:\02 - Eigene Dateien\Arduino\test\test.ino Using board 'uno' from platform in folder: C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\arduino\avr Using core 'arduino' from platform in folder: C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\hardware\arduino\avr Detecting libraries used... "C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\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=10807 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\Carlos\\AppData\\Local\\Temp\\arduino_build_751415\\sketch\\test.ino.cpp" -o nul "C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\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=10807 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\variants\\standard" "-IX:\\02 - Eigene Dateien\\Arduino\\libraries\\OneButton-master\\src" "C:\\Users\\Carlos\\AppData\\Local\\Temp\\arduino_build_751415\\sketch\\test.ino.cpp" -o nul "C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\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=10807 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\variants\\standard" "-IX:\\02 - Eigene Dateien\\Arduino\\libraries\\OneButton-master\\src" "X:\\02 - Eigene Dateien\\Arduino\\libraries\\OneButton-master\\src\\OneButton.cpp" -o nul Generating function prototypes... "C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\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=10807 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\variants\\standard" "-IX:\\02 - Eigene Dateien\\Arduino\\libraries\\OneButton-master\\src" "C:\\Users\\Carlos\\AppData\\Local\\Temp\\arduino_build_751415\\sketch\\test.ino.cpp" -o "C:\\Users\\Carlos\\AppData\\Local\\Temp\\arduino_build_751415\\preproc\\ctags_target_for_gcc_minus_e.cpp" "C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\Carlos\\AppData\\Local\\Temp\\arduino_build_751415\\preproc\\ctags_target_for_gcc_minus_e.cpp" Sketch wird kompiliert... "C:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\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=10807 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\cores\\arduino" "-IC:\\Program Files\\WindowsApps\\ArduinoLLC.ArduinoIDE_1.8.15.0_x86__mdqgnx93n4wtt\\hardware\\arduino\\avr\\variants\\standard" "-IX:\\02 - Eigene Dateien\\Arduino\\libraries\\OneButton-master\\src" "C:\\Users\\Carlos\\AppData\\Local\\Temp\\arduino_build_751415\\sketch\\test.ino.cpp" -o "C:\\Users\\Carlos\\AppData\\Local\\Temp\\arduino_build_751415\\sketch\\test.ino.cpp.o" test:25:10: error: 'void AlternatingLed::setup()' cannot be overloaded void setup() { ^ test:75:6: error: with 'void AlternatingLed::setup()' void setup() { ^ test:41:10: error: 'void AlternatingLed::loop()' cannot be overloaded void loop() { ^ test:92:6: error: with 'void AlternatingLed::loop()' void loop() { ^ X:\02 - Eigene Dateien\Arduino\test\test.ino: In function 'void setup()': test:81:24: error: 'action2' was not declared in this scope channel2.attachClick(action2); ^ test:82:24: error: 'action3' was not declared in this scope channel3.attachClick(action3); ^ Bibliothek OneButton-master in Version 1.3.0 im Ordner: X:\02 - Eigene Dateien\Arduino\libraries\OneButton-master wird verwendet exit status 1 'void AlternatingLed::setup()' cannot be overloaded