If you want some very cold air, you’re going to have to dive deep into thermodynamic wizardry to find a practical way to get it. Hyperspace Pirate did that digging and discovered the Gifford-McMahon cryocooler design. That is just simple enough that Hyperspace Pirate was able to build his own cryocooler using 3D-printed parts and […]
EMI (electromagnetic interference) can be a real nuisance in sensitive circuits. That might be from one device affecting another, but it can also happen when a circuit on a PCB interferes with another circuit on the same PCB (or another PCB in the same device). Engineering to prevent that entirely is really difficult and it […]
There was a time when computers were exciting and fun. Now most of them feel like commodity appliances — no more interesting than a washing machine or a toaster. Joe longed for the good ol’ days of 8-bit personal computers, so he used a trio of Arduino development boards to design his own “fantasy computer.” […]
A few months ago, UncleStem built a completely functional 7:1 scale Arduino UNO Rev3 development board. That was a big hit, for obvious reasons. But what can you do with an Arduino of that size? The answer is: create a matching 7:1 scale turtle robot for it to control. This is a great pairing, because […]
A single microcontroller can interface with many other components and handle several different tasks — that’s kind of the whole point. But microcontrollers do have limits and sometimes it makes sense to divvy up tasks to get a logical system architecture. That led Michael Rigsby to put a whopping 11 different Arduino boards into his […]
In the automotive industry, “drive-by-wire” means that a traditionally mechanical linkage, like a throttle cable, has been replaced by an electronic actuator. That can eliminate design constraints and even save money. SciFientist was able to apply those same drive-by-wire principles to this 3D-printed micro milling machine. Machine tools, including vertical mills, are usually either CNC, […]
Pick and place (PnP) machines are the linchpin on which modern electronics manufacturing rests. A PnP is a special kind of robot with a vacuum end effector designed to pick up SMD (surface-mount device) components and place them on a PCB for soldering. But for hobbyists, they’re usually overkill. So, John LeClair bridged the gap […]
Arduino Days is a great moment to celebrate our community – and what better way to party than with a new product… or seven! During the first day of the event, our team took turns to introduce a variety of accessories and compatible boards you can use in combination with UNO Q and many other elements […]
Every millennial knows the exhilarating feeling of going to the computer lab, booting up a Macintosh, and creating beautiful art in MacPaint. The nostalgia meter has broken its dial and is now spinning wildly. If you want to capture that nostalgia in a form suitable for home décor, you can build Mark Wilson’s fantastic LackPaint […]
Daric Gill used an Arduino UNO Rev3 to create his “The Translation Machine” sound art installation for an exhibition at the Dunn Museum. Except he didn’t do it alone, because bees helped with its construction. The Translation Machine is a motion-triggered interactive art piece that plays sounds that Gill collected during his world travels. He […]
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