2x LED matrix I am using: https://aliexpress.com/item/4000746284302.html
1x ESP32 board: https://aliexpress.com/item/32801621054.html
1x flip flop power switch module: https://aliexpress.com/item/33054170454.html
2x encoder buttons: https://aliexpress.com/item/32863292306.html
1x usb A female connector: https://www.amazon.de/gp/product/B07TVHRH5Q
1x power connector: https://www.amazon.de/gp/product/B00H8WFGAM
The power supply is handled via a custom perfboard circuit in order to (un-)power the whole thing by the tip of a button. USB A female always stays powered for charging.
It's a lot to print but it was worth it :)