For the electronics, [Matt] used an ATmega88 microcontroller. There’s an infrared receiver so the remote from an in-car CD player can be used to advance the slides and turn the projector on and off.

Using two relays, the cable release for the DSLR and the remote advance pins on the slide projector are connected to the AVR. [Brian] used a macro lens and sets the focus, exposure, and f-stop manual.

A lot has changed at the College of Southern Nevada's planetarium since its opening 30 years ago. Back then, the planetarium used slide projectors to help audiences understand astronomy. Then came ...

Projecteo is a tiny projector which uses 35 mm slide film to set your Instagram photos free from their digital confines and project them onto any surface. Home slide shows of holiday trips used ...

Back in the 1980s, when I was doing a lot of what we'd now call multimedia installation art pieces, I used slide projectors for displaying images. I liked to mount black-and-white 35mm negatives ...

When typewriters were still needed for school papers and reports and photographs were still in the form of film, the slide projector was an essential piece of equipment. Bangkok Post - The world ...

Kristie Baeumert bought a projector in Georgia and unearthed decades-old family slides. In an unexpected ending, she’s found the owners.