Problem:
arduino:1.6.3 (Windows 7), board: "Arduino Pro or Pro Mini, ATmega328 (5V, MHz)"
Sketch uses 846 bytes (2) of program storage space. Maximum is 30,720 bytes.
Global variables use 9 bytes, (0%) of dynamic memory, and 2,039 bytes of local variables are remaining. The maximum is 2,048 bytes.
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt 1 of 10:not in Sync:resp=0xec
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt 2 of 10:not in Sync:resp=0xec
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt 3 of 10:not in Sync:resp=0xec
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt 4 of 10:not in Sync:resp=0xec
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt 5 of 10:not in Sync:resp=0xec
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt 6 of 10:not in Sync:resp=0xec
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt 7 of 10:not in Sync:resp=0xec
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt 8 of 10:not in Sync:resp=0xec
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt 9 of 10:not in Sync:resp=0xec
AVRDUDE:STK500_RECV (): Programmer is not responding
Avrdude:stk500_getsync () Attempt of 10:not in Sync:resp=0xec
Upload error. View page http://www.arduino.cc/en/Guide/Troubleshooting#upload for suggestions.
The report will contain more information.
"Output details at compile time"
Workaround:
Connect the line with USB to TTL,
The key is to press the reset key time, almost just click on the Burning button, you can press the reset button. Try a couple of times to find out the rules.
You can also press the reset button immediately by appearing "Upload ...".
Reference:
Http://www.geek-workshop.com/thread-8436-1-1.html
Arduino Pro or Pro Mini, ATmega328 (5V, MHz) Successful Burn method