The world of mechanical engineering is full of interesting and ingenious mechanisms. The Geneva drive, for example, translates rotary motion into intermittent ticking — perfect for a wristwatch or clock. With a clever mechanism, one can reduce the need for complicated control electronics. That was the case with the self-reversing screw that moves the guide […]
Roulette is one of the classic casino games, along with poker, blackjack, baccarat, and craps. There are two popular versions of roulette: American and European. The American version features an additional zero (green) pocket and the numbered pockets in a different arrangement. Mirko Pavleski built a digital European roulette wheel and used charlieplexing to drive all 37 […]
Everyone loves a nice Nixie tube clock, but Nixie tubes are expensive and difficult to find. Even if you can source a working set, driving the vintage tubes is a complicated undertaking by modern standards. Nixie tubes require high voltage and multiplexing, which is a pain. To solve these problems while retaining the aesthetic, 4Dcircuitry […]
LED accent lighting is very trendy right now, as it can add quite a lot of visual interest to a room without introducing clutter. But commercial products are often either very expensive or subpar in quality and capability. Fortunately for makers, this kind of project is perfect for a DIY weekend build. One great option […]
Ping pong is one of the most popular sports in the world, but that doesn’t mean that it is easy to find people to practice with. Lone players are typically forced to practice by using return boards (or one half of the table flipped up), but that is overly predictable. To provide a better training […]
The periodic table is arguably the most popular symbol of nerd pride. Everyone knows what it is, but few people are familiar enough with it to make real use of it. There aren’t, for instance, many people that can tell you the atomic number of darmstadtium. If you’re one of the nerdy few who can, […]
There are many different fluid pumping mechanisms to choose from, but the peristaltic pump is a great choice when you don’t want the liquid to contact any moving parts. That is ideal for beverage dispensers and medical equipment, because the liquid only touches the tube it runs through and that is easy to clean or […]
VFDs (vacuum fluorescent displays) were common a few decades ago and have a nice, distinct glow that many find appealing. But like Nixie tubes and CRTs, VFDs have are outdated and almost obsolete at this point. They can’t come close to matching the price or functionality of modern LCD and OLED screens, but they still […]
Rainbow Six is a series of tactical shooter video games dating back to 1998. The series contains many individual titles set in various points of time, from historical wars to fictional futures. Rainbow Six Siege (2015) is set in the future and the character Iana has the ability to project a virtual clone of herself, which she controls […]
Asking your boss for a raise when they are in a bad mood is not ideal, and this is what prompted Mark from element14 Presents to create a stress level indicating project that could show this mood to everyone else so they could avoid this awkward situation. Mark started this project by laser cutting several panels from […]
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