We’re used to Hall effect devices as proximity sensors in mechanical systems, used to provide detection of something that has a magnet attached to it. However it’s easy to forget that the devices that provide a magnet-or-not digital output are only part of the story, and linear Hall effect devices provide a handy way to […]
A MAGNETIC FIELD STRENGTH METER USING AN ARDUINO Continue Reading
High-level programming languages do a great job of making a programmer’s job easier, but these languages often leave a lot of efficiency on the table as a compromise. While a common thought is to move into a lower-level language like assembly to improve on a program’s speed or memory use, there’s often a lot that
HONEY, I SHRUNK THE ARDUINO CORE Continue Reading
Around these parts, we see plenty of plotter builds. They’re a great way to learn about CNC machines and you get to have fun making pictures along the way. [Ben Lucy] was undertaking just such a build of his own, but wanted to do something standalone that served a purpose. The result is the impressive
ARDUINO PLOTS YOUR PORTRAIT WITH STYLE Continue Reading
If you are looking for a tiny three-color E Ink display, the Wemos D1 Mini board can fit the bill perfectly, more so given that it comes for just $10 a pop. Developed by Lolin, the display is all of 2.13-inch having support for red, black, and white colors. Further, the display has a resolution of 214
2.13 inch tri-color E-Ink display for Wemos D1 Mini board is only $10 Continue Reading
Last month we brought you word of tonyhax, a clever exploit for the original Sony PlayStation that leveraged a buffer overflow in several of the games from the Tony Hawk Pro Skater series to load arbitrary code from a specially prepared memory card. But now [Bradlin] has taken that idea a step further and developed a software exploit
NEWEST PLAYSTATION EXPLOIT SKIPS THE DISC Continue Reading
Multirotors, or drones as they’re popularly called, are so ubiquitous as to have become a $10 toy. They’re no less fun to fly for it though, and learning how they work is no less fascinating. It’s something [Science Buddies] has addressed in a series of videos examining them from first principles. They may be aimed at
LEARN MULTIROTORS FROM FIRST PRINCIPLES Continue Reading
We will be the first to admit that it’s often hard to be productive while working from home, especially if no one’s ever really looking over your shoulder. Well, here is one creepy way to feel as though someone is keeping an eye on you, if that’s what gets you to straighten up and fly
EYECAM IS WATCHING YOU IN BETWEEN BLINKS Continue Reading
[TheStaticTurtle] built a custom controller for automating his garage doors. He wanted to retain the original physical button and RF remote control interfaces while adding a more modern wireless control accessible from his internet connected devices. Upgrading an old system is often a convoluted process of trial and error, and he had to discard a couple
GARAGE DOOR CONTROLLER GETS THE IOT TREATMENT Continue Reading
Active suspensions are almost a holy grail for cars, adding so much performance gain that certain types have even been banned from Formula 1 racing. That doesn’t stop them from being used on a wide variety of luxury and performance cars, though, as they can easily be tuned on the fly for comfort or improved
REMOTE CONTROLLED CAR GETS ACTIVE SUSPENSION Continue Reading
Virtual reality is a slow-moving field in some respects. While a lot of focus is put on optical technologies and headsets, there’s a lot more involved when it comes to believably placing a human being in a virtual environment. So far, we’ve gotten a good start at the visuals and head tracking, but interaction technology
VIRTUAL REALITY GLOVES AIM TO IMPROVE INTERACTIVITY Continue Reading
