Fast Indoor Robot Watches Ceiling Lights, Instead Of The Road

[Andy]’s robot is an autonomous RC car, and he shares the localization algorithm he developed to help the car keep track of itself while it zips crazily around an indoor racetrack. Since a ro…

OpenCV 4.5.4 Released, Look For Updated Features And Fixes

It provides a common infrastructure for computer vision applications and to accelerate the use of machine perception in commercial products.

OAK-D Depth Sensing AI Camera Gets Smaller And Lighter

The OAK-D is an open-source, full-color depth sensing camera with embedded AI capabilities, and there is now a crowdfunding campaign for a newer, lighter version called the OAK-D Lite. The new mode…

Silky Smooth Resin Printer Timelapses Thanks To Machine Vision

The fascination of watching a 3D printer go through its paces does tend to wear off after you spent a few hours doing it, in which case those cool time-lapse videos come in handy. Trouble is they t…

DIY Laser Speckle Imaging Uncovers Hidden Details

It sure sounds like “laser speckle imaging” is the sort of thing you’d need grant money to experiment with, but as [anfractuosity] recently demonstrated, you can get some very imp…

Useless Machine Is A Clock

Useless machines are a fun class of devices which typically turn themselves off once they are switched on, hence their name. Even though there’s no real point, they’re fun to build and …

Keep Cool With This Face-Following Fan

[AchillesVM] decided to build a tabletop electric fan so it would track him as he moves around the room. Pan and tilt control is provided by a pair of servos controlled by a Raspberry Pi 3b+. How d…

Use OpenCV on Fedora Linux ‒ part 2 - Fedora Magazine

Check out the long-awaited part two of the OpenCV on Fedora Linux series! Learn how to access individual pixels and how to resize, crop, and flip images programmatically.

Use OpenCV on Fedora Linux ‒ part 1 - Fedora Magazine

Learn how to start using the 2500+ computer vision algorithms of OpenCV in this short introductory article! And stay tuned for part two!

Internet Chess On A Real Chessboard

The Internet teaches us that we can accept stand-ins for the real world. We have an avatar that looks like us. We have virtual mailboxes to read messages out of make-believe envelopes. If you want …

Smart Camera Based On Google Coral

As machine learning and artificial intelligence becomes more widespread, so do the number of platforms available for anyone looking to experiment with the technology. Much like the single board com…

Auto-Aiming Nerf Gun To Give You The Edge In Battle

Ever wished for some robotic enhancements for your next nerf war? Well, it’s time to dig through the parts bin and build yourself a nerf gun with aimbot built right in, courtesy of [3Dprinted…

Adding A Laser Blaster To Classic Atari 2600 Games With Machine Vision

Remember the pistol controller for the original Atari 2600? No? Perhaps that’s because it never existed. But now that we’re living in the future, adding a pistol to the classic games of…

Teaching A Machine To Be Worse At A Video Game Than You Are

Is it really cheating if the aimbot you’ve built plays the game worse than you do? We vote no, and while we take a dim view on cheating in general, there are still some interesting hacks in t…