me and my mate build the augmented microcontroller exactly like the tutorial told us to do. Then, when we thought we were finished, we tested it by simply putting 1 V on it and working our way up to 6,5. But somewhere around 5,5 or 6 V we heart pats, it sounded a little like popcorn. The voltage regulator also got really really hot and it smellt pretty bad.
Now we don't know what went wrong or what we should do to fix this.
Please help us!