Step4: Error Debugging

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  • "xxx is not declared in this scope "

Not declard.png
Something is not declard, Maybe you do not put the libraris the right location:...\arduino\libraries, If you can sure that you have put library in the right locacation, please try to close Arduino IDE and reopen.

  • "COM error"

Com error.png
Try re-plugging the Crowduino from computer, and select the right COM port

  • "Donwload error "

Download error.png
Try to re-select the Arduino board, for Crowduino328, please selec the Arduino Duemilanonve w/Atmega328.