If you’re above a certain age, you probably remember the atmosphere of a pre-Powerpoint 35 mm slide show. The wobbly screen being unrolled, the darkened room, the soft hum of the projector’s fan, the ...

Slides make for great old-timey fun, but it’s awesome to have a digital backup of your old photos, too. An automatic digitizer can make quick work of your collection, and this build from [rbwood53] ...

The slideshow has long been a staple of the college lecture. Today, students follow Microsoft PowerPoint presentations from their notebook computers and mobile devices, but one of the earliest art ...