Category Archives: opencv

Human-Powered Laser Gun Makes Battery-Free Target Practice

[Dirk] shared a fascinating project of his that consists of several different parts coming together in a satisfying whole. It’s all about wanting to do target practice, indoors, using a simple red laser dot instead of any sort of projectile. While it’s possible to practice by flashing a red laser …read more

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Posted in 3d printed, cowboy rifle, energy harvesting, generator, human-powered, laser, laser hacks, opencv, Rasperry Pi, shooting, target, target practice, weapons hacks | Leave a comment

Underwater Crawling Soft Robot Stays in Shape

When you think of robots that were modeled after animals, a brittle star is probably not the first species that comes to mind. Still, this is the animal that inspired [Zach J. Patterson] and his research colleagues from Carnegie Mellon University for their underwater crawling robot PATRICK.

PATRICK is a …read more

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Posted in opencv, robots hacks, soft robot, underwater | Leave a comment

Background Substitution, No Green Screen Required

All this working from home that people have been doing has a natural but unintended consequence: revealing your dirty little domestic secrets on a video conference. Face time can come at a high price if the only room you have available for work is the bedroom, with piles of dirty …read more

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Posted in background, chroma key, green screen, opencv, semantic segmentation, Tensorflow Lite, V42L2, video conference, video hacks | Leave a comment

Harry Potter Wand Hack Makes Magic Real

Any sufficiently advanced hack is indistinguishable from magic, a wise man once observed. That’s true with this cool build from [Jasmeet Singh] that magically opens a box when you wave a Harry Potter magic wand in the right way. Is it magic? No, it’s a neat hack that uses computer …read more

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Posted in harry potter, machine learning, opencv | Leave a comment

Robotic Ball Bouncer Uses Machine Vision to Stay on Target

When we first caught a glimpse of this ball juggling platform, we were instantly hooked by its appearance. With its machined metal linkages and clear polycarbonate platform, its got an irresistibly industrial look. But as fetching as it may appear, it’s even cooler in action.

You may recognize the name  …read more

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Posted in ball, bouncer, Hough transform, juggling, machine vision, misc hacks, opencv, ping pong, platform, stepper, Teensy | Leave a comment

Upgrade Your Shades to Find Lost Items

Ever wish you could augment your sense of sight?

[Nick Bild]’s latest hack helps you find objects (or people) by locating their position and tracking them with a laser. The device, dubbed Artemis, latches onto your eyeglasses and can be configured to locate a specific object.

Images collected from the …read more

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Posted in Arduino Hacks, computer vision, laser, opencv, servos | Leave a comment

Improving Exposure On A Masked SLA Printer

It’s taken longer than some might have thought, but we’re finally at the point where you can pick up an SLA 3D printer for a few hundred bucks. These machines, which use light to cure a resin, are capable of far higher resolution than their more common FDM counterparts, though …read more

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Posted in 3d Printer hacks, compensation, lcd, led hacks, masked SLA, opencv, SLA printer, uv | Leave a comment

Sensing, Connected, Utility Transport Taxi for Level Environments

If that sounds like a mouthful, just call it SCUTTLE – the open-source mobile robot designed at Texas A&M University. SCUTTLE is a low cost (under $350) robot designed for teaching Aggies at the Multidisciplinary Engineering Technology (MXET) program, where it is used for in-lab lessons and semester projects for …read more

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Posted in beaglebone, BeagleBone Blue, computer vision, opencv, python, Raspberry Pi, robot, robots hacks | Leave a comment

Reverse Engineering Liberates Dash Cam Video

If you’ve purchased a piece of consumer electronics in the last few years, there’s an excellent chance that you were forced to use some proprietary application (likely on a mobile device) to unlock its full functionality. It’s a depressing reality of modern technology, and unless you’re willing to roll your …read more

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Posted in car hacks, dash cam, h.264, Hi3516E, nmap, opencv, packet capture, python, reverse engineering, software hacks, wireshark | Leave a comment

Building a Cyberpunk Multi-Touch Input Device

This multi-touch touch panel built by [thiagesh D] might look like it came from the retro-futuristic worlds of Blade Runner or Alien, but thanks to a detailed build video and a fairly short list of required parts, it could be your next weekend project.

The build starts with a …read more

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Posted in input device, led hacks, multitouch, opencv, peripherals hacks, Raspberry Pi, RGB LED, touch panel | Leave a comment