I have a similar fan that you are working on (https://www.bunnings.com.au/arlec-grid-connect-smart-4-blade-130cm-dc-ceiling-fan-with-remote_p0104210) . Has no light, but otherwise, 6 speeds smart wifi + remote.
The wifi module is slightly different to the one in your picture, however the daughter board looks identical. 9 pins.
I’d be very interested in one of those boards and some simple instructions if you have the time.