USBTinyISP ATtiny85 error

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baicker
 
Posts: 2
Joined: Wed Jul 13, 2011 12:47 am

USBTinyISP ATtiny85 error

Post by baicker »

USBTinyISP ATtiny85 error

Postby baicker » Wed Jul 13, 2011 12:52 am
I had bought the Attiny85v twice even though it is very infrequent in my country, 10 pieces every time, but very bad luck, all chip had a bad signature.

I had programed the Atmega64A once, so i don't think there was any problem with my connections, i used the usbtiny programmer, when i executed the command, show the error:

Code: Select all

    C:\>Avrdude -c usbtiny -p t85
    Avrdude: Device signature = 0xffffff
    Avrdude: Yikes!  Invalid device signature.
             Double check connections and try again, or use -F to override this check.
i had tried 20 pieces, always show this error.

can anybody help me ?
I will be crashed....

help...help...

Agent24
 
Posts: 307
Joined: Sun Jan 24, 2010 6:48 am

Re: USBTinyISP ATtiny85 error

Post by Agent24 »

Either a problem with the programmer or perhaps a bug in the software (do you have the latest version of avrdude etc?)

Where did you get the ATtiny85s from? - maybe they are fake...

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