The system here monitors temperature, humidity, and smoke levels and alerts you if those levels reach a certain point.

The capacitive humidity/temperature sensor is a Sensirion SHT11, which is controlled through a two-wire data/clock interface. The SHT11 control interface connects to two of the TS-7200's discrete I/O ...

Monitor temperature, humidity, and air pressure in every room with the Aqara Temperature Sensor. Optimize comfort, prevent damage, and automate your HomeKit smart home.

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

The arrival of the 2nd-gen Homepod has brought a new smart home hub feature for temperature and climate control that has been dormant on the mini.