



Items can be different according to the data they hold: Color, Dimmer, Number, Switch and more. For example you could create a dimmer to control the brightness of a Thing (the lightbulb). a switch to turn on or off rules) or they can be linked via channels to Things. They can either exist purely in OpenHab (e.g. Items are virtual where Things are physical. This is where the second layer is used: Items. connection strength and current brightness) and their possible actions (e.g. Instead they provide channels with their data (i.e. a light bulb) can not be controlled directly. I already described how to add a new Thing to OpenHab. The first layer is made up of so called “Things” – a representation of real devices. OpenHab uses different conceptual layers to manage all devices in your smart home. How to add a new Item to OpenHab via the items files What is an Item in OpenHab?
