Learn how to set up ESPresence for room presence detection in Home Assistant to track Bluetooth Low Energy (BLE) devices. Discover the step-by-step process of configuring base stations, identifying beacons, and integrating with Home Assistant. Gain insights on requirements, assumptions, and fine-tuning techniques. Explore how to use this system to enable smart automations based on room occupancy, such as turning off lights in empty rooms or customizing actions for different individuals. Follow along with the installation, configuration, and troubleshooting tips to create an effective room presence detection system for your smart home.