I bought an Arduino UNO R3 , It was my first time
Then , I plugged my 12v (1.5A) adopter , The board worked . Then I plugged my usb cable , I am a begginer I did not have any knowledge , So in total the supple from my port and supple of 12v adopter doubled the supply of the current which lead to burn a thing of my arduino i don't know what it is Then I plugged USB adopter only the lights of pin 13 (orange light) and the ON light(Green Light) were on Still My PC is not detecting it can someone help ?
here's a pic of burnt piece
The piece name is SOT - 753 ( 3.3 V Regulator)
Can anyone please help me ? Will it work or I have to buy a new one ?