Explore the application of reinforcement learning to teach an AI to swing up a real pendulum in this 22-minute video. Learn about hardware setup, Arduino communication, reinforcement learning concepts, reward functions, and deep neural networks. Follow the process of agent training, troubleshooting, and deployment to an ESP32. Discover how to modify the project scope, optimize hyperparameters, and implement a discrete action space for successful learning. Gain insights into practical challenges and solutions when applying AI to physical systems, and consider potential areas for further research in this fascinating intersection of machine learning and robotics.