Best of all, if you have an Apple HomePod, you already have temperature and humidity sensors on board. Here's how to create temperature and humidity automations in the Apple Home app.

Best of all, if you have an Apple HomePod, you already have temperature and humidity sensors on board. Here's how to create temperature and humidity automations in the Apple Home app.

In a way, the magic of a soil moisture sensor’s functionality boils down to a simple RC circuit. But of course, in practice there is a bit more to it than that. [rbaron] explains exactly how … ...

A humidity sensor includes a manual fan switch, but if your sensor is setup correctly it should turn on and off based on the humidity in the room.

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

Relative humidity, or RH, is the percentage of moisture in the air referenced to the maximum level of moisture the air can hold at that temperature and pressure. Early humidity sensors used ...