Smart Coffee Machine

[Mahko_Mahko]

How’s the ultrasonic holding up? Are measurements pretty stable for this application?

I’m reconsidering my approach after some recent failure.

Use Xiaomi temperature/pressure sensor as water tank level sensor

Whilst there are other water tank level sensor solutions kicking about (see edit below), I had an idea to try use a xiaomi temperature/pressure sensor . Note I think only the square Aqara ones do pressure. [image] I thought it was worth a try because: I had one anyway they are pretty cheap it’s a battery operated solution with good battery life you get water temp too as a bonus (as someone else pointed out) My two use cases are: use as coffee machine water reservoir sensor use for my bal…