What is the dimmer for lighting control?

Question

Electronics

Tell me the simplest built-in dimmer to control lighting.
As small as possible to fit into the socket and leave enough space for the module that implements the logic of its work. As cheap as possible.
Included in the gap as follows:

I.e. control is planned by the microcontroller.
Is there something similar?

Answer 1

For me, the most excellent option habrahabr.ru/company/coolrf/blog/205170