The observer block was introduced a while back, and I was never able to make it work. Now, I saw someone do a tutorial on how to observer blocks, and for me the observer would never send block updates with redstone pulses. Am I really not doing this right? I know the block only sends a one second redstone pulse, but that never happened in my case. (I am on 1.14.1)
Here's what I've tried: (And I have looked online to no avail.)