Learn face detection using OpenCV and Python in this comprehensive tutorial. Discover how to install OpenCV on a Raspberry Pi Zero, explore the fundamentals of object detection and artificial intelligence with neural networks, and gain insights into the SMARS Quad robot project. Dive into pixel grids, color grids, training data, weights, and Euler's number. Follow along with practical demonstrations, including measuring camera parameters and testing OpenCV. Explore additional topics such as TensorFlow, Voice Hat, and other add-ons. Access supplementary materials, including a free OpenCV cheatsheet, Keynote presentation, and sample code, to enhance your learning experience.