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 ...

The four Nixie tubes have been designed to alternate between the time, temperature, pressure, and relative humidity, in addition to a clock-like hand as a secondary indication of atmospheric ...

Apart from the alarm function, the clock also features temperature and humidity detection. For the temperature, there is a Swiss Sensirion sensor with a measuring accuracy of ± 0.2 ℃.

Read Also: Xiaomi Launches 129 Yuan (~$20) Smart Female Thermometer The device comes with a built-in imported high-precision sensor that can continuously monitor indoor temperature and humidity ...

Greenhouses create an artificial climate specifically suited to the plants you want to grow. It’s done by monitoring conditions like temperature and humidity, and making changes using things ...