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Topic: Loop Back Test Failed (Read 357 times) previous topic - next topic

peterengland is Here

No Tone or any activity in device manager In windows Please help. :~


What Arduino do you have?
What have you tried?
The way you have it in your schematic isn't the same as how you have it wired up!

peterengland is Here

I have arduino uno r3,  last time I connected it to my pc it can't detect in device manager I tried looptest posted here but no ssuccess pls help.

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