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Topic: Problem having uploading sketch to Arduino Uno  (Read 244 times) previous topic - next topic


Jun 07, 2019, 07:45 pm Last Edit: Jun 08, 2019, 09:43 am by mitulgopani7
Hi guys. I was working on Arduino Uno. It was working completely fine. And then I tried to upload a new sketch to Uno and it gave me the following error.

avrdude: verification error, first mismatch at byte 0x0000
         0x62 != 0x0c
avrdude: verification error; content mismatch
avrdude: verification error; content mismatch

I checked my board and port in IDE. It is selected correctly.

It does not matter which kind of sketch I tried to upload, It gives me the same error every time.

Could someone please let me know what is wrong with my Arduino Uno and how can I fix it?

Thank you in advance

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