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.

All in all as long as you have access to an overhead project this will probably be a lot more hassle-free than trying to use a stencil or freehand a design on your wall.

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 ...

UBIT will retire overhead projectors in UB centrally-scheduled classrooms as of Fall 2016. If you’ve never used a document camera in the classroom, now is the time to get acquainted.  ...

Knappenberger stood in front of the giant Zeiss projector, while beside him was a much smaller overhead projector used by generations of classroom teachers.