Change Sketch on Arduino

Hi, but I try to run a new sketch it reverts back to that first example I used of blink. I have a difficulty removing that sketch. What a more effective ways of deleting a sketch other than uploading a blank sketch?

mphoentle:
Hi, but I try to run a new sketch it reverts back to that first example I used of blink. I have a difficulty removing that sketch. What a more effective ways of deleting a sketch other than uploading a blank sketch?

You remove that sketch by uploading another sketch. If blink is currently loaded and the upload fails, it depends on how the upload fails what happens.

You nerd to provide details how the upload fails.

@mphoentle

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