LED Bulbs Flickering with Dimmer
To dim LED bulbs you need the dimmer switch to be rated for LED's, the LED bulbs need to be rated as dimmable and you need to set the minimum load level on the dimmer for the LED bulbs.
https://amzshark.com/r/51300-led-dimmer
We have more tips in our home improvement book https://amzn.com/B01MRGO8C5