The Internet of Things (IoT), artificial intelligence (AI), and robots are some of the state-of-the-art technologies that are being integrated into industrial processes as part of Industry 4.0 in order to boost efficiency and adaptability. In industry 4.0, a smart factory is a fully automated production facility that optimizes its operations and improves quality, productivity, and efficiency via the use of modern technologies like robots, the Internet of Things (IoT), and artificial intelligence (AI). The report highlights the revolutionary power of the Internet of Things (IoT) in changing the face of production and opening the door to better, more efficient industrial systems.