Hilfe bei Fehlermeldung avrdude: stk500

c:\Users\HT\AppData\Local\Temp\arduino_cache_85246\core\core_arduino_avr_pro_cpu_8MHzatmega328_cc02042aeecb219a202458fd13c1e868.a
Linking everything together...
"C:\Users\HT\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\4.9.2-atmel3.5.4-arduino2/bin/avr-gcc" -w -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=atmega328p -o "C:\Users\HT\AppData\Local\Temp\arduino_build_579662/HB-UNI-Sen-TEMP-DS18B20.ino.elf" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\sketch\HB-UNI-Sen-TEMP-DS18B20.ino.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\gf256mul.S.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\aes_invsbox.c.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\aes_sbox.c.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\AlarmClock.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\Globals.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\HMID.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\Led.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\aes128_dec.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\aes128_enc.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\aes_dec.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\aes_enc.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\aes_keyschedule.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\AskSinPP-master\gf256mul.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\Low-Power-master\LowPower.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662\libraries\OneWire-2.3.4\OneWire.cpp.o" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662/core\core.a" "-LC:\Users\HT\AppData\Local\Temp\arduino_build_579662" -lm
"C:\Users\HT\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\4.9.2-atmel3.5.4-arduino2/bin/avr-objcopy" -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 "C:\Users\HT\AppData\Local\Temp\arduino_build_579662/HB-UNI-Sen-TEMP-DS18B20.ino.elf" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662/HB-UNI-Sen-TEMP-DS18B20.ino.eep"
"C:\Users\HT\AppData\Local\Arduino15\packages\arduino\tools\avr-gcc\4.9.2-atmel3.5.4-arduino2/bin/avr-objcopy" -O ihex -R .eeprom "C:\Users\HT\AppData\Local\Temp\arduino_build_579662/HB-UNI-Sen-TEMP-DS18B20.ino.elf" "C:\Users\HT\AppData\Local\Temp\arduino_build_579662/HB-UNI-Sen-TEMP-DS18B20.ino.hex"
Bibliothek EnableInterrupt in Version 0.9.8 im Ordner: C:\Users\HT\Documents\Arduino\libraries\EnableInterrupt wird verwendet
Bibliothek AskSinPP-master in Version 2.1.5 im Ordner: C:\Users\HT\Documents\Arduino\libraries\AskSinPP-master wird verwendet
Bibliothek Low-Power-master in Version 1.6 im Ordner: C:\Users\HT\Documents\Arduino\libraries\Low-Power-master wird verwendet
Bibliothek OneWire-2.3.4 in Version 2.3.4 im Ordner: C:\Users\HT\Documents\Arduino\libraries\OneWire-2.3.4 wird verwendet
Der Sketch verwendet 20004 Bytes (65%) des Programmspeicherplatzes. Das Maximum sind 30720 Bytes.
Globale Variablen verwenden 1055 Bytes (51%) des dynamischen Speichers, 993 Bytes für lokale Variablen verbleiben. Das Maximum sind 2048 Bytes.
C:\Users\HT\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino9/bin/avrdude -CC:\Users\HT\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino9/etc/avrdude.conf -v -patmega328p -carduino -PCOM3 -b57600 -D -Uflash:w:C:\Users\HT\AppData\Local\Temp\arduino_build_579662/HB-UNI-Sen-TEMP-DS18B20.ino.hex:i

avrdude: Version 6.3, compiled on Jan 17 2017 at 12:00:53
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch

System wide configuration file is "C:\Users\HT\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino9/etc/avrdude.conf"

Using Port : COM3
Using Programmer : arduino
Overriding Baud Rate : 57600
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xdf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xdf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xdf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xdf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xdf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xdf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xdf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xdf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xdf
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xdf

avrdude done. Thank you.

Problem beim Hochladen auf das Board. Hilfestellung dazu unter http://www.arduino.cc/en/Guide/Troubleshooting#upload.