In The Overhead Projector: Don’t Overlook It (Part 1), I explained why it’s better to use a projector (be it an old-fashioned overhead or LCD) than to write on the board. Now we turn to how to ...

How to Make a Hard Drive Projector Although making a hard drive projector may seem complicated, the end result is quite rewarding and will make you forget the initial challenges.

Using a bare LCD panel with an overhead projector is a decades-old hack we’ve covered before. The basic idea is fairly simple, but we’ve never seen anything that could be considered a semi ...