Small ft232rl uart module

Banana Pi Router design
1

Here is another ft232rl module, this one is a lot smaller

https://a.aliexpress.com/_EQXfEkg

2

Imho it is difficult to mount the usb2uart in the case i recommend bring the debug-pins to outside (like with the cable we talked about).

One other way would be something like this

https://de.aliexpress.com/item/1005007384443072.html

3

I thought about using a hot glue gun to glue this in front if the hole with a lot of glue. Covering the entire hole.