I am a student learning how to use the arduino uno. I installed the software to my computer and got the blink program to run just fine. Then I moved on to learn what I could from the Digital Read Serial program. That worked fine as well. While that was running, I began to unplug different wires and …

arduino uno not responding

nickn4 April 22, 2012, 9:55pm 2

how about unplugg everything and check if light will turn on now?

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