Imagine you have a projector pointing at a scene, which you’re photographing with a camera aimed from a different point.

Over on Hackaday.io our hackers [Angelo] and [Oscarv] are making a replica of the PDP-1. That is interesting in and of itself ...

But the dev kit comes with monochrome screens that support binary (black or white), 4-level greyscale, or 16-level greyscale ...