https://imgur.com/a/p7P1WBt

One-shotted LVGL UI (which I think it a bit ugly).

A Bluetooth gateway has a flat battery so 2 temperature sensors aren't getting relayed.

This is a Guition ESP32-S3-4848S040 board with this case https://makerworld.com/en/models/2859961-guition-4-esp32-s3-...

About $25 in total I think.