I challenged myself to turn those lights to WiFi enabled smart lights in 1 hour, and automating them with Home Assistant. I used WLED on an ESP32 with WS2812B to do this. And luckily enough Home Assistant detects WLED on the network automatically.

Hardware:
Pacman Lights: https://amzn.to/3GWr3Zn
NodeMCU ESP32: https://amzn.to/3gMxseJ
BTF-Lightning WS2812b: https://amzn.to/3F99eVi
Xiaomi Electric Screwdriver: https://amzn.to/3ijSba6
ersa 30 S soldering iron: https://amzn.to/3AMLWlS
Weller Helping Hand: https://amzn.to/3gESKee

Software:
WLED: https://bit.ly/3EIIWId
Sound Reactive WLED: https://bit.ly/3VmV08O
Home Assistant: https://bit.ly/3F2g5ir
ESP32 Flashing Tools: https://bit.ly/3AQWJeK

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Chapters:
00:00 - Intro
01:42 - Challenge begins
02:11 - Opening the lights
02:58 - Choosing the components
04:12 - Disassembling the components
05:29 - Testing the ESP32
06:51 - Out of time
07:15 - Installing WELD
09:31 - Flashing WLED through the command line
10:43 - Connecting to the access point
11:01 - Next day
11:29 - The mistake
11:49 - Testing WLED
12:44 - Reassembling
13:09 - Gluing it all together
13:33 - Controlling from mobile
14:12 - Setting up WLED in Home Assistant
14:44 - Final test
14:59 - Outro