Ohhh, nice!
We got a separate LCD controller on one end:
HT1621B, so I can definitely hijack that one to display whatever I want.
The other chip is a touch panel (and lcd controller, but I guess they didn't want to use its capability)
I wonder if there are UART humidity sensors.
I HATE RUE WINNING. (again, JK)
Also, if y'all are enjoying my feet pics, give me some money!