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Author Topic: Communication Problems - stk500_getsync(): not in sync: resp=0x00  (Read 1205 times)
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I very recently purchased a new Arduino UNO starter kit.
I am having problems with getting the installation correct and communicating with the board, although I believe I have installed everything correctly according to the instructions but perhaps someone can point out where I have gone wrong:

So I plugged in the board and Windows tried to install a driver and failed (as the instructions say).
In device manager I pointed the "Unknown Device" to the correct driver in the Drivers file in arduino1.0.1.
The Driver installed successfully and the device was then listed under Ports (COM & LPT) with the name "Arduino UNO R3 (COM3)" (I verified that it was indeed COM3 in the properties.

I then opened the Arduino IDE and checked the settings for the device:
Tools - Board - Arduino UNO,
Tools - Serial Port - COM3 (selected with a tick by it)

I then opened the blink example and tried to upload the code. Sure enough it compiles but it returns the following error:
avrdude: stk500_getsync(): not in sync: resp=0x00
If I hold shift during the upload I get the following message:
avrdude: usbdev_open(): did not find any USB device "usb"

When trying to upload the Rx LED blinks 3 times but the Tx LED does not blink.

I have looked at the error online but so far none of the solutions I have seen have solved the problem for me. Here is some further information on what I have tried:

Loop-Back Test : nothing was returned from this using the serial monitor.
Disabled firewall.
Tried different USB ports.
Uninstalled and reinstalled drivers.

Help would be much appreciated as I would really like to start programming soon.

I am using Windows 7 32bit OS.

Thanks
« Last Edit: June 12, 2012, 10:07:58 am by dayta_eng » Logged

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Quote
Loop-Back Test : nothing was returned from this using the serial monitor.
Until this works, nothing else is going to work.

If you remove the Arduino, does COM3 disappear from the system?
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Which Uno came in the starter kit? Try downloading an earlier version of the IDE.
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In Arduino 1.0 and later, you can get verbose output by checking a box in the preferences dialog (holding "shift" uploads via an external programmer, which is why it gives you a different error).  Can you post the output from that?

Do you have any bluetooth scanning / communication programs running (maybe in the background) or software for a cellular internet dongle or anything else that might be grabbing USB ports?
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I'm having the same problem.  I had successfully connected and programmed the unit, and now No Joy.
Uno R3, windows Vista 64-bit, Arduino IDE 1.0.1

Tested different com ports, tested different USB cable, tested different USB ports, tested on Win 7 machine.

Power led is green, and digitial 13 led is yellow.

Com ports in agreement between windows device manager and Arduino IDE
Loop back test successfully echo's the input.
==========================
Verbose out from monitor:
Binary sketch size: 1,084 bytes (of a 32,256 byte maximum)
C:\Users\Patrick Eidemiller\Projects\V3\SupplySolutions\Arduino\arduino-1_0_1\hardware/tools/avr/bin/avrdude -CC:\Users\Patrick Eidemiller\Projects\V3\SupplySolutions\Arduino\arduino-1_0_1\hardware/tools/avr/etc/avrdude.conf -v -v -v -v -patmega328p -carduino -P\\.\COM6 -b115200 -D -Uflash:w:C:\Users\PATRIC~1\AppData\Local\Temp\build8167292190882310592.tmp\Blink.cpp.hex:i

avrdude: Version 5.11, compiled on Sep  2 2011 at 19:38:36
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2009 Joerg Wunsch

         System wide configuration file is "C:\Users\Patrick Eidemiller\Projects\V3\SupplySolutions\Arduino\arduino-1_0_1\hardware/tools/avr/etc/avrdude.conf"

         Using Port                    : \\.\COM6
         Using Programmer              : arduino
         Overriding Baud Rate          : 115200
avrdude: Send: 0 [30]   [20]
avrdude: Send: 0 [30]   [20]
avrdude: Send: 0 [30]   [20]
avrdude: Recv:
avrdude: stk500_getsync(): not in sync: resp=0x00

avrdude done.  Thank you.
« Last Edit: June 14, 2012, 09:55:24 pm by patrickeidemiller » Logged

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