Home automation has increasingly become a need in our lives. Without even noticing it we have been adding connected elements to our homes and buildings to make our lives easier and nowadays we are surrounded by electronic devices that monitor our environment, control our lighting systems and appliances, and even give us peace of mind […]
MIDI (Musical Instrument Digital Interface) is a fantastic standard because it is versatile enough to encompass almost all instruments, but simple enough to work with using low-power digital hardware. A typical MIDI message contains three bytes. The first is a status byte that describes the action (like “note on”) and the channel to use, the […]
Traditional methods of sending movement commands to prosthetic devices often include electromyography (reading electrical signals from muscles) or simple Bluetooth modules. But in this project, Ex Machina has developed an alternative strategy that enables users to utilize voice commands and perform various gestures accordingly. The hand itself was made from five SG90 servo motors, with each one moving […]
Material testing often comes down to breaking stuff and measuring how much force it took to do so. How a thing breaks is a result of different strength properties. There are many different types of strength, but mechanical engineers are most concerned with tensile, compressive, shear, and torsional strength. The easiest way to test compressive […]
The original Apple Macintosh computer, launched in 1984, was fundamental for ushering in GUIs (graphical user interfaces). It wasn’t the first personal computer to feature a GUI operating system and the concurrent Apple II still retained a more traditional command line interface for years, but we largely have the Macintosh to thank for modern GUIs. […]
James Bruton loves to experiment with unusual vehicle drive systems and configurations to find out how they perform under the dynamic conditions of real-world use. Internal combustion engines and driveshafts don’t tend to fit in those vehicles, so Bruton often utilizes electric motors. He usually turns to Arduino to control the motors and read the […]
Display technology, from cathode-ray tubes to LCD screens, exists to convey information to humans visually and it does that very well. But the lack of physical presence makes visual displays useless for almost everything else. The blind can’t feel pixels and computers need resource-intensive algorithms to make sense of the images we feed them. That’s […]
A pantograph is a machine that lets an artist copy an image by tracing the original. Traditional mechanical pantographs use a complex linkage system to move the output pen relative to the stylus. While 1:1 pantographs do serve a purpose, the real value comes from a pantograph’s ability to scale the output. It is possible […]
We don’t need to tell you that Star Wars is a wildly popular franchise. If you include all of the movies, video games, novels, theme park attractions, and so on, it is the fifth-highest-grossing media franchise of all time (somehow just behind Winnie the Pooh). Because of its popularity, Star Wars themes find their way into every facet of life. […]
When creating videos, making smooth, level movements at a constant speed is often a very important requirement, as sudden changes can leave viewers uncomfortable. But rather than purchasing an expensive gimbal-stabilized rig or a commercial motorized camera platform, Instructables member dslrdiy decided to devise their own four-axis system using a repurposed 3D printer with the goal of being […]
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