Say i have a UNO R3 or take any Arduino for consideration. What will happen if i connects VCC to NEGATIVE POLE OF DC 12V BATTERY What will happen if i connects GND to POSITIVE POLE OF DC 12V BATTERY What will happen if i used AC 220V INSTEAD DC 12V BATTERY I JUST WANT TO CONFIRM, DO I NEED A BRID…

Providing wrong input parameters to arduino

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