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Author Topic: Can somebody tell me if I fried my board?  (Read 1065 times)
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Hi guys,

So, as I have seen in many other posts, I am getting the error:

avrdude: stk500_getsync(): not in sync: resp=0x00

when I try to upload a program to my Arduino Uno, and nothing seems to work. I read a lot of different forum posts on what to try, but nothing is fixing it. I uninstalled, reinstalled, re-did the drivers, tried example problems, checked on a different computer... nothing is helping. I just ran the Loop-Back test and what I typed came back as gibberish each time, not what I had typed. The board was working just fine all night, and this happened when I attempted to connect a wire (not connect to anything on the other side, just the wire) to pin 2. The board blinked, and now I can't get past this error code. Be straight, is it broken?

Thanks for the help guys,
Adam
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Austin, TX
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You "just" tried to change connections while the board was powered?  If that was the case, you don't actually know what happened...
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swap the 328 chip for a known good one .
theyre cheap from the bay
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I just ran the Loop-Back test and what I typed came back as gibberish each time, not what I had typed.

If you set up the loop-back test successfully (328p chip held in reset) then that is not a good sign as the 8U2 USB serial converter chip does not appear to be working correctly. That is assuming you have removed any external wiring and or shields before running the loop-back test.

Lefty
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swap the 328 chip for a known good one .
theyre cheap from the bay
"Known good" and "from eBay" don't really go together.
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swap the 328 chip for a known good one .
theyre cheap from the bay
"Known good" and "from eBay" don't really go together.

Well he is failing the loop-back test, which doesn't even require a 328p chip to be installed in the board, so he has problem above and beyond any possible 328p chip problem.

Lefty
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Yeah, the loop-back test was conducted correctly and like I said, it came back as gibberish. I went to Micro Center and got one last night, tried the wiring, and it all worked how I had hoped. I just wish I knew what happened to the old one...
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Yeah, the loop-back test was conducted correctly and like I said, it came back as gibberish. I went to Micro Center and got one last night, tried the wiring, and it all worked how I had hoped. I just wish I knew what happened to the old one...

Most likely it's master was too cruel to it.  smiley-grin
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Newby but somewhat proficient in and with electronics.

Moral of the story?

Kill power to the board, before disconnecting or connecting anything to it.

What will for sure kill a transistor, say, is pulling it out or putting it in a powered board. What's worse it could kind of work, but end up in certain cases giving you "un-defined" intermittent behavior. So I guess you could be be happy it died so totally; this could have dragged on for some time while you tried to figure out what happened.

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