UNO USB setup problems please help.

by dayta_eng on Tue Jun 12, 2012 11:36 am

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 for your assistance,

Chris
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Re: UNO USB setup problems please help.

by adafruit_support_bill on Tue Jun 12, 2012 12:03 pm

Thank you for the detail. It helps a lot with the diagnosis.
When trying to upload the Rx LED blinks 3 times ...

That indicates that the driver is installed correctly
... but the Tx LED does not blink.

That can be either because the board type is not correct, or because the processor is not responding due to bad/missing bootloader or a defective chip.

Double-check the board-type selection once more to be sure. If you have the UNO selected and it still does not work, contact support@adafruit.com with a link to this thread.
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Re: UNO USB setup problems please help.

by dayta_eng on Tue Jun 12, 2012 4:12 pm

adafruit_support wrote:Double-check the board-type selection once more to be sure. If you have the UNO selected and it still does not work, contact support@adafruit.com with a link to this thread.


I contacted the support team having checked the correct board was selected (it was). I was told then in an email that they thought it was a setup issue still, but did not suggest options other than purchasing a new board and see if it works with the current setup and if not they would refund the new board. I have now tried to use the board with a Mac OS following the guidelines exactly as they state with the same results as above. I am inclined to believe that I have a faulty board, please can you either suggest another route to try or provide me with the details required to return my board for repair/replacement/diagnosis.

Thank you for your help.
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Re: UNO USB setup problems please help.

by adafruit on Tue Jun 12, 2012 4:56 pm

If possible, we always suggest trying another USB cable and computer - sometimes those can be the problem

If it still doesnt work, simply email support@adafruit with a link to this post - they'll know that the tech support team tried to get you working and its time for a replacement! :mrgreen:
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Re: UNO USB setup problems please help.

by ndheeru1992 on Fri Dec 14, 2012 10:18 am

I too have the same problem exactly.I've tried to upload it normally,then the error was
avrdude: stk500_getsync(): not in sync: resp=0x00
But,when I have tried to upload the codeby pressing down the shift button,it gives an error
avrdude: usbdev_open(): did not find any USB device "usb"

What may the probable ways to avoid the above error? I've searched and tried them out but in vain.Please help me out.
Thank you.
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Re: UNO USB setup problems please help.

by adafruit_support_bill on Fri Dec 14, 2012 10:27 am

@ndheeru - What operating system are you using?

Check that you have the correct board type and COM port selected.
Describe any LED blinking activity that you see before and during the upload attempt.
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Re: UNO USB setup problems please help.

by thefatmoop on Fri Feb 08, 2013 9:32 pm

http://reibot.org/2013/02/08/arduino-sdk-fix/
Sorry for the late post lol I ran into this oddball thing today
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Re: UNO USB setup problems please help.

by nithan28 on Sun Mar 03, 2013 2:04 pm

I have a similar problem. Tried shift + upload and got:

avrdude: usbdev_open(): did not find any USB device "usb"

The ON LED is always on and no flashing. The Rx LED flashes but not the Tx.
Help me out with this problem.
Thanks a lot in advance
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Re: UNO USB setup problems please help.

by adafruit_support_bill on Sun Mar 03, 2013 2:28 pm

I have a similar problem.

Did you get the driver installed?

Tried shift + upload and got:

Shift+upload is for uploading via a programmer. What do you get when you just do "upload"?
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