DALI (Digital Addressable Lighting Interface) is a powerful protocol to control lighting. Through DALI you can dimmer your led lamps, ask them status, recall a predefined scenario and so on.
Well, the answer is YES.
This shield transforms your Arduino™ in a DALI master, acting as a bridge between I2C interface and DALI bus. All boards are tested before being sold. Find library, examples and more informations here .