Last Updated: 30/07/2021

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Arduino Error Messages

Lessons >> Problems >> Arduino Error Messages

Lesson Contents

Error messages are often quite confusing in the Arduino IDE so I have decided to keep a list of them and any solutions I find to them.

Error 1

I had an issue with a brand new Chinese copy Arduino UNO
Every time I tried to upload a sketch (even a blank one) I got an error message that contained the lines below.

read operation not supported for memory "flash" avrdude:
failed to read all of flash memory, rc=-2

Solution

After lots of google searches and numerous attempts to reset the board I decided to try the Embeetle IDE that is in development https://embeetle.com as I thought it may give a better error message.

Embeetle uploaded the sketch straight away with no error message.

I then tried to upload a sketch from the Arduino IDE and it worked fine and continues to work.

Additional Resource Links

Don't forget to use the Reference in you Arduino IDE and look at the Control Structures and Comparison Operators for more help on this lesson.

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