If you want to make your own system for doing so, Instructables user ICStation shows off how to use an Arduino to do it. The system here monitors temperature, humidity, and smoke levels and alerts ...

This isn’t about connecting a temperature sensor in your Arduino. This build is about using the temperature sensor in your clock.

I used an LCD shield to display the current temperature and speed of the fan, but you can use the circuit without the LCD display. You also need to select the transistor by the type of fan that you ...

Enable the HomePod 2 and HomePod Mini's built-in temperature and humidity sensors and turn the devices into indoor weather stations.