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avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x30
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x0f
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x10
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x20
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x0f
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x10
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x30
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x0f
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x10
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x20

marked as duplicate by Gerben, dlu, Nick Gammon, James Waldby - jwpat7, Avamander Jan 21 '16 at 20:47

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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This Instructables post has a list of potential causes for this error. Is this a new board? What board are you using? Is it a genuine Arduino board or a clone? Have you been able to upload to the board previously?

  • I have selected right com port. Previously i had uploaded sketches and that worked find. Now it giving me issue. – Sagar Lone Jan 14 '16 at 16:30
  • I am using clone arduino – Sagar Lone Jan 14 '16 at 16:34
  • @user3883017 What is your hardware setup? Do you have any wires connected to the RX pin? – CamK Jan 14 '16 at 16:38
  • Arduino UNO. No Just one LED to pin 13 and ground – Sagar Lone Jan 14 '16 at 16:43
  • avrdude: Version 6.0.1, compiled on Apr 15 2015 at 19:59:58 Copyright (c) 2000-2005 Brian Dean, bdmicro.com Copyright (c) 2007-2009 Joerg Wunsch System wide configuration file is "C:\Program Files (x86)\Arduino\hardware\tools\avr/etc/avrdude.conf" Using Port : COM7 Using Programmer : arduino Overriding Baud Rate : 115200 – Sagar Lone Jan 14 '16 at 17:26
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Have you changed the atmega328 chip? If you have the new one may not have a bootloader or it may have one for a different board. Select every board option. Duemillemova maybe? If you still have no luck, you might have over written your bootloader. Try burning the bootloader again. Instructables shows you how.

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