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HomeElectronicsDigitize your outdated slides with a contemporary DSLR digicam

Digitize your outdated slides with a contemporary DSLR digicam


Digitize your outdated slides with a contemporary DSLR digicam

Arduino GroupNovember seventeenth, 2022

Till the proliferation of digital images, movie slides had been a standard option to share pictures. After a pleasant trip within the ‘70s, you may take your movie rolls for growth and would have the choice to obtain a set of slides. You might then collect your entire associates in your lounge, pop these slides right into a projector carousel, and drive everybody to take a look at unfocused photos of palm timber projected onto the wall. Should you nonetheless have a group of slides (or inherited your mother and father’ assortment), this video from Scott Lawrence demonstrates one technique for changing them to digital pictures.

This strategy may appear rudimentary, however it’s fairly efficient. Should you take a look at it from a excessive stage, it’s primarily simply snapping pictures of the slides with a contemporary DSLR digicam. However these cameras are able to capturing very high-quality photos and this course of is simple to automate. The important thing to that automation is the usage of a classic slide carousel. They’re inexpensive and simple to regulate with a microcontroller, which makes them good for this utility.

On this case, Lawrence used an Arduino Leonardo board. It controls two issues: the slide carousel and the digicam’s shutter. The person interface, made with a six-digit seven-segment show and a rotary encoder, lets the operator setup the variety of slides to seize, the pause between slides, backlight brightness, and so forth. When activated, the controller tells the carousel to load a slide, triggers the digicam’s shutter, after which repeats with the following slide. Every slide solely takes just a few seconds to load and seize, which implies this will digitize greater than a thousand slides per hour.

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