Here’s how it works: Each Ecobee remote sensor appears twice in Apple’s new Home app on iOS 10, once as a temperature sensor and again as a motion detector.

These tiny devices are smart-home helpers. They detect and alert you about motion, temperature, or open or closed doors and windows — and can tell other smart devices to act.

Kangaroo’s new sensor is an enticing entry-level choice given its no-tools, no-hub setupd and $30 price tag. But sensors on their own can't provide a complete picture of what’s happening in ...

Different sensors detect activity such as motion, a door or window opening, and temperature, and then tell other devices how to react.

In the cases below, you can purchase a completed sensor and connect it to at least one major smart home hub: SmartThings, Google Home, Apple Homekit, Amazon Alexa or Home Assistant.

A better display and a temperature sensor accessory make Nest's Learning Thermostat more appealing.

Eve’s new smart home motion sensor works with Apple HomeKit out of the box and is expected to be upgraded to Matter when the smart home standard arrives later this year.

The Hue Outdoor Sensor is the first outdoor HomeKit sensor, and adds motion, temperature, and light sensors to automate the outside of your Apple-centric smart home.

There are absolutely motion sensors that are meant to work outside. Many smart home doorbells and security cameras have built-in motion sensors that can connect to your smart lights.

Components: Three Xiaomi temperature sensors flashed with custom firmware ESP32 running Tasmota Mosquitto MQTT as a Docker on Synology NAS Home Assistant as a Docker on Synology NAS Home Assistant can ...