Who hasn’t thought about turning a 1950s slide projector into a digital projector? [Matt] did, but unlike most of us, he actually did it. [Matt]’s friend [Angus] found an old, single-slide ...

The digitizizer is based on a Kodak carousel slide projector. It’s fitted with LED strips instead of the original light source, which are used to illuminate the slides themselves. An Arduino ...

Data projectors are widely used in classrooms and auditoriums for instruction and slide presentations. Although many projectors have built-in speakers, projectors designed for TV and movies are ...