If you really wanted to DIY it (and can write software LOL) you could pick up something like
a Surface Pro and some
USB Video capture boards (Amazon) and then write some software to put all the input feeds to different windows.
Then have the TPMS bluetooth to the PC and display that in a window.
Easy peasy
Sure it likely costs a lot more but as a bonus you'd have a full PC sitting on your dash.
Yeah I'm really trying to get a Car-PC into my RV as a driving aid and just haven't worked out the use case for it (thinking about it a Surface Pro costs A LOT less than one of those in-dash PCs you can get).
This dash mount (Amazon) looks like it may work.
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