Schlagwort: 3dprint
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Reliving elementary school with a robotic recorder
Reading Time: 2 minutesThe recorder is a type of flute that is very popular in elementary schools because the instrument is so simple and inexpensive. If you were born in the last four decades and grew up in a western country, then there is a very good chance that you were required to learn how…
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Upgrade your sewing machine for CNC embroidery
Reading Time: 2 minutesWith a CNC (computer numerical control) embroidery machine, you can sew any custom patterns you want: text, logos, or goofy pictures. But commercial CNC embroidery equipment is expensive and consumer versions often leave a lot to be desired, which is why you might want to check out this write-up by SpaceForOne that…
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Meet our next 3 favorite Project Hub entries!
Reading Time: 3 minutesThe “Arduino Project of the Month” competition continues to bring out the best in our community! We are happy to highlight inventive projects and creative solutions, as well as the generous users who share everything they’ve learned along the way. So let’s hear it for the three entries selected for the month…
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Electronic game of Connect Four played on an 8×8 LED matrix
Reading Time: 2 minutesThe childhood classic tabletop game of Connect Four entails dropping either a red or yellow disc into one of several columns in a grid with the hope of lining up four in a row. And even though the game has existed digitally for a while now, it is mostly played on LCD…
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This stretchable wearable sensor provides accurate knee tracking
Reading Time: 2 minutesHealth tracking is a vital component to recovering after an injury or simply trying to improve one’s own fitness, and although accelerometer-based devices are decent at tracking general activity, they fail to accurately monitor specific areas of the body such as joint movement. This is why a team of researchers from the…
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This robot ensures power tool batteries are always topped off
Reading Time: 2 minutesIf you’re anything like every other human being on the planet, you have several cordless power tools and their batteries are all dead. You never remember to put the batteries on their chargers until you need the tool for a job on realize that it won’t turn on. Discipline is difficult, so…
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Analyze the ambient sound around you with this Arduino setup
Reading Time: 2 minutesYou’ve probably heard that there isn’t any sound in space. That’s because sound is vibration traveling through a medium, like air or wood, and space is a mostly empty vacuum. The frequency of the vibration in a medium is the pitch of the sound and the amplitude is the volume. If you…
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Sort up to 280 coins per minute with this 3D-printed machine
Reading Time: 2 minutesCounting one’s coins by hand can take a very long time, and for those wanting to avoid physically going to the bank or paying a fee at a commercial machine, what options remain? The YouTuber known as Fraens has created a full 3D-printed coin sorter and counter that combines technology with a clever design to accomplish…
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This cheap robot arm can follow recorded movements
Reading Time: 2 minutesThere are many ways to control a robot arm, with the simplest being a sequential list of rotation commands for the motors. But that method is very inefficient when the robot needs to do anything complex in the real world. A more streamlined technique lets the user move the arm as necessary,…
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Enabling automated pipeline maintenance with edge AI
Reading Time: 2 minutesPipelines are integral to our modern way of life, as they enable the fast transportation of water and energy between central providers and the eventual consumers of that resource. However, the presence of cracks from mechanical or corrosive stress can lead to leaks, and thus waste of product or even potentially dangerous…
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This robotic dispenser will tell you if you forget to take your pills
Reading Time: 2 minutesMany types of medications (such as anti-depressants like SSRIs) can have a very negative effect if they aren’t taken on a regular basis. Even taking them a few hours late can harm a person’s mood and cause physical discomfort. But remembering to take pills at the proper time can be tricky —…
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The Whimsy Artist is a little robot that both creates and destroys art
Reading Time: 2 minutesMany people find the subjectivity of art to be frustrating, but that subjectivity is what makes art interesting. Banksy’s self-shredding art piece is a great example of this. The original painting sold at auction for $1.4 million—and then it shredded itself in front of everyone. That increased its value and the now-shredded…
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These projects from CMU incorporate the Arduino Nano 33 BLE Sense in clever ways
Reading Time: 4 minutesWith an array of onboard sensors, Bluetooth® Low Energy connectivity, and the ability to perform edge AI tasks thanks to its nRF52840 SoC, the Arduino Nano 33 BLE Sense is a great choice for a wide variety of embedded applications. Further demonstrating this point, a group of students from the Introduction to…
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DIY air hockey table uses an Arduino to keep score
Reading Time: 2 minutesInspired by game nights with her family, Lorraine Underwood from element14 Presents wanted to build a project that would be both fun and playable many times over. Based on these parameters, she opted to design and construct her own take on an air hockey table that would be capable of keeping score automatically. The base of…
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Control a thermal printer with your Arduino
Reading Time: 2 minutesYou would probably recognize a thermal printer as the thing that spits out receipts at a cash register. They offer a two key advantages: they do not require ink cartridges and they are compact. But because they print by applying heat to special paper that darkens when hot, they have low resolution…
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The Emotion Aid is a wearable device that communicates its user’s emotions
Reading Time: 2 minutesMany people (especially those with autism spectrum disorder) have difficulty communicating with others around them. That is always a challenge, but becomes particularly noticeable when one cannot convey their emotions through body language. If someone can’t show that they’re not in the mood to talk, that may lead to confusing interactions. To…
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DIY spectrum analyzer is an easy project for beginners
Reading Time: 2 minutesSpectrum analysis is a technique that allows someone to observe the amplitude of various frequency ranges within a signal. The most common use case is in the world of audio engineering, as it is useful for tuning audio output. It can, for example, show you that a particular audio signal has little…
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This DIY system monitors all of the doors in a senior care home
Reading Time: 2 minutesSenior care homes may get a bad rap in popular culture, but they serve a legitimate and important purpose. As people age, their requirements for care can exceed the capability of their families. When that becomes the case, professional care may be prudent. To help those professionals care for residents, Hayden designed…
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Mini Cyclone game doesn’t require a trip to the arcade
Reading Time: 2 minutesOne of the most popular machines in any arcade is the Cyclone game, where a ring of LEDs illuminate in sequence and the player must push a button at the exact moment that a specific LED lights up. Get it just right and you can win a whole pile of tickets to…
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Bolt Bots are perfect for aspiring roboticists
Reading Time: 2 minutesWhile it is easier now than ever before, getting into robotics is still daunting. In the past, aspiring roboticists were limited by budget and inaccessible technology. But today the challenge is an overwhelming abundance of different options. It is hard to know where to start, which is why Saul designed a set…
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Ensure DC motor performance with anomaly detection based on energy monitoring
Reading Time: 5 minutes[youtube https://www.youtube.com/watch?v=jskIyHzcH7A?feature=oembed&w=500&h=281] The challenge Optimizing manufacturing processes is a requirement in any industry today, with electricity consumption in particular representing a major concern due to increased costs and instability. Analyzing energy use has therefore become a widespread need – and one that can also lead to early identification of anomalies and predictive…
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Stop snoring in its tracks with this helpful device
Reading Time: 2 minutesFor those who have to put up with a snoring partner or roommate, the scourge of listening to those droning sounds can be maddening and lead to a decrease in the quality of one’s sleep. So, as an attempt to remedy this situation, Flin van Asperen devised an “anti-snoring machine” out of…
