I have noticed that Christmas lights that are LED lights have some sort of flicker to them. I notice it when driving by some of them and I noticed it when putting up a string around my door. It only seems apparent when there's movement between me and the lights.
It's weird to me because it seems like the flicker is maybe 60 Hz? I don't see it with incandescent lights, so it doesn't make sense that it's related to the power supply.
Any of you smarties able to "enlighten" me? <pun intended>