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Topic: Fried Arduino? (Read 250 times) previous topic - next topic


Feb 14, 2018, 09:07 am Last Edit: Feb 14, 2018, 09:13 am by akafoury
So I am an absolute moron - I have a circuit and I connected the positive and negative power supply wires of my battery to the opposite wires of my circuit! (my excuse is that it was 3 am and I was about to fall asleep) As soon as i did that, smoke came up from battery connection and I unplugged it immediately after about a half second. Now when I plug it in the correct way, everything seems to run fine for the first 2 seconds, then my Nano's POW LED will blink (same will the LED on the MPU) and the circuit will not run. Have I passed the point of no return? Is there anything I could to fix this? I just really really need this project to work soon and wouldn't want to have to completely get new parts and solder everything on a perfboard again. I'm thinking maybe only the voltage regulator is fried, does that ever happen?

Thanks...hope this gave someone a good laugh



Can you please post a copy of your circuit, in CAD or a picture of a hand drawn circuit in jpg, png?

What voltage was the battery?
Where on your circuit did you connect it?

Thanks...  Tom... :)
Everything runs on smoke, let the smoke out, it stops running....


Update: only the voltage regulator is fried. Thank you, God. Not sure how to delete my post...


Don't delete your post! It will serve as a warning to others.
What, I need to say something else too?

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