This lecture explores smart lighting technologies, from occupancy and daylight sensing to advanced control and dimming systems. It covers PIR, microwave, ultrasonic, and image-based sensors, along with DALI, PoE, Bluetooth, Zigbee, and other connectivity protocols. The lecture also examines occupancy-based control, daylight harvesting, and circadian lighting, highlighting their potential to improve energy efficiency, comfort, and occupant wellbeing.