Shooting good video can be an arduous task if you’re working all by yourself. [Pave Workshop] developed a series of gesture-responsive tools to help out, with a focus on creating a simple intuitive interface.

The system is based around using a Kinect V2 to perceive gestures made by the user, which can then control various objects in the scene. For instance, a beckoning motion can instruct a camera slider to dolly forward or backwards, and a halting gesture will tell it to stop. Bringing the two hands together or apart in special gestures indicate that the camera should zoom in or out. Lights can also be controlled by pulling a fist towards or away from them to change their brightness.

The devil is in the details with a project that works this smoothly. [Pave Workshop] lays out the details on how everything Node.JS was used to knit together everything from the custom camera slider to Philips Hue bulbs and other Arduino components.

The project looks really impressive in the demo video on YouTube. We’ve seen some other impressive automated filming rigs before, too.

It’s 2021. Everyone and their mother is filming themselves doing stuff, and a lot of it is super cool content. But since most of us have to also work the video capture devices ourselves, it can be difficult to make compelling footage with a single, stationary overhead view, especially when there are a lot of steps involved. A slider rig is a good start, but the ability to move the camera in three dimensions programmatically is really where it’s at.

[KronBjorn]’s excellent automated overhead camera assistant runs on an Arduino Mega and is operated by typing commands in the serial monitor. It can pan ±20° from straight down and moves in three axes on NEMA-17 stepper motors. It moves really smoothly, which you can see in the videos after the break. The plastic-minimal design is interesting and reminds us a bit of an ophthalmoscope — that’s that main rig at the eye doctor. There’s only one thing that would make this better, and that’s a dedicated macro pad.

If you want to build your own, you’re in luck — there’s quite a lot of detail to this project, including a complete BOM, all the STLs, code, and even assembly videos of the 3D-printed parts and the electronics. Slide past the break to check out a couple of brief demo videos.

Not enough room for a setup like this one? Try the pantograph version.

When filming your projects—or day-to-day life—static shots can be fun, but having a moving perspective often looks even better. The challenge is keeping the camera pointed at your subject, which maker Saral Tayal addresses with his automated slider.

This Arduino Uno-controlled slider is powered by a pair of brushed DC motors with encoders attached for feedback. One pulls the camera along a pair of rails on a set of linear bearings, while the other adjusts the camera’s horizontal angle using trigonometry to keep a particular object in-frame. 

Code and print files are available in Tayal’s write-up, and some beautiful resulting shots with an explanation of the project can be seen in the video below. 

Woodworking and electronics, automatons and camera sliders. Ben Brandt's YouTube channel offers lots of cool projects.

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