Blog Archives

Raspberry Pi-Based Cable Shutter Release — Now with DIY Optocouplers

While a transistor-based cable shutter release does the job, it has one drawback. Grounding the camera to Raspberry Pi can cause the machine or the camera to have a negative ground. This might lead to a higher total voltage difference and could damage either of

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Posted in Hardware, Photography, Scribbles

From Dusk till Dawn: A Night Photography Tutorial

Originally posted on The Daily Post:
By day Marcus Kazmierczak works as an engineer for Automattic on new product research; by night he heads out for photography. He writes about night photography at night.exposed. You can find more of his…

Posted in Scribbles

digiKam Quick Tip: Using Album Categories

Did you know that you can assign categories to albums in digiKam? To do this, right-click on an album, choose Properties from the context menu, and the desired category from the Category drop-down list. To edit the list of existing

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Posted in Scribbles

Inside a Camera at 10,000 fps

A fascinating look at the mechanics of a modern DSLR shutter brought to you by The Slow Mo Guys. via PetaPixel

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Posted in Photography, Scribbles

digiKam Quick Tip: Transfer Photos from digiKam Directly to a Mobile Device

Provided that you use KDE, you can push photos from digiKam directly to a mobile device that supports the MTP protocol (e.g., most Android devices) using the KioImportExport Kipi plugin. First of all, enable the plugin in the Settings → Configure digiKam

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Posted in Open Source, Scribbles, Software

Mejiro Update: Now with Analytics and Google Maps Support

Although I consider Mejiro more or less feature complete, I still find ways to improve and tweak my no-frills photo publishing application. The latest Mejiro release is a case in point. Previously, the application offered a rudimentary visitor tracking feature. When enabled, it

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Posted in Scribbles

digiKam Quick Tip: Group Photos by Format

Using the View → Group Images → By Format command, you can group photos in albums by format. This feature can come in useful for managing albums containing photos in different formats: JPEG, TIFF, RAW and video files, etc. Run the command, and

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Posted in Photography, Scribbles

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