I think I made too big a leap from putting him down almost asleep to wide awake. I need to do teeny tiny stepsfoe this to work. I don't mind spending time on it.
I basically wind down by changing diaper, giving teething tablets, reading a story, then humming the same lullaby, white noise, walk around with him. It used to be walk around until I saw he was drowsy then put him down awake. He would roll over then knock out, sometimes he would crawl around a little bit then lay down.
I have been walking until fully asleep then putting down.