Collaborate Disseminate
Helium-neon lasers may be little more than glorified neon signs, but there’s just something about that glowing glass tube that makes the whole process of stimulated emission easier to understand. …read more Continue reading Lasers Al Fresco: Fun with Open-Cavity Lasers
Ah, dogs. They sure like to bark, don’t they? [rrustvold]’s dog likes to bark at the door when a package arrives. Or when someone walks by the house, or whenever …read more Continue reading 2024 Home Sweet Home Automation: Spray Bottle Turret Silences Barking
Summer is rapidly approaching (at least for those of us living in the Northern Hemisphere) and if you are having to maintain a lawn at your home, now is the …read more Continue reading Automatic Water Turret Keeps Grass Watered
When you’re lucky enough to have a dog in your life, you tend to overlook some of the more one-sided aspects of the relationship. While you are severely restrained with …read more Continue reading Point Out Pup’s Packages with This Poop-Shooting Laser
There are few things as frustrating when you’re trying to get some serious hacking done than intruders repeatedly showing up without permission. [All Parts Combined] has the solution for you, …read more Continue reading Automated Sentry Turret For Your Secret Lab
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 …read more Continue reading Auto-Aiming Nerf Gun To Give You The Edge In Battle
When we first looked at this tank, we thought it was pretty cool. The sides are unpainted 1/2″ (12mm) plywood, so it is not flashy. The dimensions came from Google-fu-ing the heck out of the WWII Hetzer and scaling them to 1:6. What knocks our socks off is how much …read more
What has dual compressed-air cannons, 500 roll-on deodorant balls, and a machine-learning brain with a bad attitude? We didn’t know either, until [Leo Fernekes] dropped this video on his autonomous robot sentry gun and saw it in action for ourselves.
Now, we’ve seen tons of sentry guns on these pages …read more
Continue reading Autonomous Sentry Gun Packs a Punch and a Ton of Build Tips
What better way to count down the last 7 weeks to a big hacker camp like SHA2017 than by embarking on a last-minute, frantic build? That was [Yvo]’s thought when he decided to make a life-sized version of the adorably lethal turrets from the Valve’s Portal video games. Since that …read more
Continue reading Locating Targets With Charm Courtesy Of A Life Size Portal Turret
What is this world coming to when you can’t even enjoy sitting in your living room without some jamoke flying a drone in through the window? Is nothing sacred? Won’t someone think of the children?
Apparently [Drew Pilcher] did, and the result is this anti-drone sentry gun. It’s a sturdily …read more
Continue reading Well-Built Sentry Gun Addresses the Menace of Indoor Micro-UAVs