I just purchased an Arduino Uno. It's my second one. When I plug it in to the USB port the "L" LED starts flashing. On my other board this LED comes on but doesn't flash unless a program is being uploaded. I tried uploading the Blink program as a test and received an error message:" An error occurr…

Uploading to new Uno

johnwasser October 28, 2021, 1:43am 2

Did you select the right port in Tools->Port: (just below Tools->Board:)?

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