A rather silly project that uses a Coral.ai edgeTPU mini PCIe board to detect a monitor in a webcam feed and convert that into either mouse movements or joystick input.
There's a video in the repository showing the gameplay[0].
[0] https://www.youtube.com/watch?v=7g3i7UJV5Zg and in the repository.
Show HN: Using object detection to turn a webcam into a lightgun
github.com