[Chonggang Li] wrote in to share a link to the final project he and [Ran Hu] built for their embedded systems class. It’s called Piano Hero and uses an FPGA to implement a camera-based touch … ...

Had the Touch included a camera, ... a 640 x 480 video camera (no stills) and a larger screen on the outside, and an FM radio on the inside with a Tivo-esque live-pause feature.

The iPhone Fold is rumored to have two different types of camera tech for its folding and external displays, as well as have a Touch ID implementation under the screen for biometric authentication.

While under-screen camera tech isn’t new (Samsung and others have implemented it with mixed results), Apple’s pursuit of a perfectly uninterrupted foldable screen will likely be held to a ...