Tellstick add-on to Home Assistant This add-on wraps around the telldus-core package to expose a service for your TellStick and TellStick Duo. This integration allows users to add switches, lights, and sensors which are communicating with 433 MHz. There are a number of vendors (Capidi Elro, Intertechno, Nexa, Proove, Sartano, and Viking) who are selling products that work with TellStick. in Hus & Hem > Home Automation > Home Assistantwith add-onhomeassistanttelldustellstick