To prevent any confusion in pin numbers, refer to this:
As recommended by @pert here: Uno vs Uno WiFi Rev 2 pinout difference?
As you can see, pin '3' should link to PF5, which is actually pin #4 (!!) if you count from the top-right corner in your Fritzy picture.
How is the photo of your actual circuit coming along? I'd like to exclude a miscellaneous hardware problem.