Then this hack is for you! [TheJinxster] threw together this awesome HD projector, and it cost him absolutely nothing to build! He started by picking up an old overhead projector off of Freecycle.

3. Higher Ground Use a box or pile of books to elevate the computer or LCD circuitry so that it is level with the bed of the overhead projector and the LCD can lay flat atop the projector bed.

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 ...

Overheard projectors were ... to convert a humdrum overhead projector into a neat music-making machine. Notes are made by making dry erase marks on a regular old transparency, with different ...

Two basic technologies — the document camera and the digital projector — aren’t the flashiest new technologies available. In fact, echoing what’s provided by the old overhead projector, they might not ...