[KaiserPro]

The controller for this: https://www.secretbatcave.co.uk/projects/stock-ticker-machin... is an esp of somesort (I think 8266)

I used ESPhome last month to measure how warm/cold the fish pond was (it was cold). That was a simple breadboard/Dallas one wire thing: https://esphome.io/components/sensor/dallas.html