Use third-party HDMI video output as a camera for Jetson.

I would like to train Jetson on the pilot, 3D recognition and much else, so again the question of using a third-party HDMI output as a camera for Jetson is raised.
Is there such a thing that you can take advantage of it without harm to the minicomputer?
https://auvidea.eu/b100-hdmi-to-csi-2-bridge/

Others apparently can

However, the price of the finished product costs like four Jetson Nano :(

Though is not present here
http://top-shop-magazin.ru/i/33009938105.html

Although no - it is the site of our scammers, on aliexpress it is much more expensive.
https://aliexpress.ru/i/33038185326.html

Tell me, do I understand the direction of the signal? Needs from HDMI to CSI-2.

It says “HDMI IN” in the upper left corner, next to the HDMI socket, so this is a HDMI-to-CSI bridge as advertised.

I need to send an incoming signal from HDMI to CSI-2…
Or did I get something wrong?
Now I am considering this module

I 'm looking for an HDMI input rather than an HDMI output
https://aliexpress.ru/item/4000493287620.html?spm=a2g0o.productlist.0.0.51ab566e6ET9LY&algo_pvid=d0c99bdd-2ec5-4a4a-bfc0-2e9a0f844370&algo_expid=d0c99bdd-2ec5-4a4a-bfc0-2e9a0f844370-0&btsid=0b8b15cb15823603376428966e9a8a&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_

Then the device on the picture from your posting #2 is exactly what you want: a HDMI-to-CSI-Bridge.

But based on this logic, I bought as I think best in quality. It 's the same thing, it says HDMI input to CSI
I didn 't change the functionality?

https://aliexpress.ru/item/4000493287620.html?spm=a2g0o