SmartThings is a home automation system that can be used to control various devices in your home such as lights, thermostat, door locks, and more. It can be controlled using a Smartphone app on iOS or Android. SmartThings is a company that creates a home automation system. It consists of a hub that connects to the internet, and sensors to detect things like motion, temperature, and electricity and plugs to control devices like lights and outlets. One can control these devices with their phone or tablet. This system can monitor and control all the devices in your home.