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

lwin12 October 28, 2021, 11:02pm 7

Make sure you check if the selected port is the same as the one that display in your device manager

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