Hey good for you. It is so easy to get caught up in a good overall idea, and not research the bejasus out of each and every part yourself.
Now for the paranoia bit: are you quite sure that chip expert didn't pull the wool over your eyes?
Don't delete this thread. It's a record of how you did at that time. Can you now adapt? Do it differently next time?
But first, rtfm (mpoe told you so)