After googling around, I found no viable photo booth software for my setup. So here is yet another photo booth for the Raspberry Pi.

I finished a video about the cheap Yiyelang “30A” 24v to 12v converters found on AliExpress:
https://www.youtube.com/watch?v=41VFxMAmOkU
As expected, the magic smoke is released at the end. Enjoy!
Update: you will likely prefer the newer version for Raspbian Buster.
Here’s how to use the KeDei 3.5″ touchscreen V2 with your own kernel.