user31122: I am new to arduino and robotic stuffs and I thought it would be a good idea to test circuits on my breadboard using arduino's R3 5V pin as power supply. The accident happened when I short circuited the things on the breadboard and after a while arduino gave off a nasty smell. The only part overheated on arduino was the left side of the micro-controller. After that I cant upload nor run code on arduino.
After I explained you my situation, can you imagine a potential problem?(e.g I mean is it a voltage regultor problem, a micro-controller faillure, both of them, or something else?)
Can I fix it?
(#1 - I know arduino boards are cheap. I just want to know if I can do anything        with that.
#2 - No comments about  the accident accepted.)
Thank's in advance.
Regarding the image, my vendor claims the arduino to be an exact copy of "open-source" arduino R3

user30005: 
Can I fix it?

it depends on your skills and the nature of the problem and how far you are willing to go to fix it.
I would first try to rule out a supply problem - very rarely a mcu will burn to the extent of giving off smells / overheat. So unplug the mcu and use a multimeter to measure its Vcc vs. GND pin voltage, test trace continuity, etc.
after that, plug in a new / known good chip and see if you could upload code to it.

user313: 
Can I fix it?

If your power supply still works, there's a decent chance you can repair the board by replacing its microcontroller which is conveniently socketed.

31122: <p><a href="https://i.stack.imgur.com/FcxmE.png" rel="noreferrer"><img src="https://i.stack.imgur.com/FcxmE.png" alt="enter image description here"></a>I am new to arduino and robotic stuffs and I thought it would be a good idea to test circuits on my breadboard using arduino's R3 5V pin as power supply. The accident happened when I short circuited the things on the breadboard and after a while arduino gave off a nasty smell. The only part overheated on arduino was the left side of the micro-controller. After that I cant upload nor run code on arduino.</p>

<p>After I explained you my situation, can you imagine a potential problem?(e.g I mean is it a voltage regultor problem, a micro-controller faillure, both of them, or something else?)</p>

<p>Can I fix it?</p>

<p>(#1 - I know arduino boards are cheap. I just want to know if I can do anything        with that.</p>

<p>#2 - No comments about  the accident accepted.)</p>

<p>Thank's in advance.</p>

<p>Regarding the image, my vendor claims the arduino to be an exact copy of "open-source" arduino R3</p>
 30005: <blockquote>
  <p>Can I fix it?</p>
</blockquote>

<p>it depends on your skills and the nature of the problem and how far you are willing to go to fix it.</p>

<p>I would first try to rule out a supply problem - very rarely a mcu will burn to the extent of giving off smells / overheat. So unplug the mcu and use a multimeter to measure its Vcc vs. GND pin voltage, test trace continuity, etc.</p>

<p>after that, plug in a new / known good chip and see if you could upload code to it.</p>
 313: <blockquote>
  <p>Can I fix it?</p>
</blockquote>

<p>If your power supply still works, there's a decent chance you can repair the board by replacing its microcontroller which is conveniently socketed.</p>
