PUPPI is a tinyML device designed to interpret your dog’s mood via sound analysis

1 day 6 hours ago

Dogs are not known to be the most advanced communicators, so figuring out what they want based on a few noises and pleading looks can be tough. This problem is what inspired a team of developers to come up with PUPPI — a small device that utilizes tinyML to interpret your canine companion’s mood through vocal […]

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Homemade mechanical color TV runs on an Arduino Due

1 day 12 hours ago

Nearly everyone alive today has never the technical marvel that is the mechanical television. In short, the work by quickly strobing a light through a disc that has holes cut around its perimeter, with each hole being slightly lower than its predecessor. Combined with the persistence of vision effect, this gives the illusion of a […]

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This Arduino device will sort your M&M’s by color

2 days 3 hours ago

If you were challenged to design a device that could sort M&M candies by color, how would you make it work? You might consider using machine learning, which has become accessible in recent years. There are even ML models available today that can run on Arduino boards. But Jack Monaco (AKA Jackofalltrades_) found a more […]

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RC skateboard moves in any direction

3 days 7 hours ago

Skateboards are great for going in a straight line, or gently curving one way or the other, but Proto G Engineering’s “omnidirectional board” takes things to a whole new level. Thanks to four 3D-printed Mecanum-style hub wheels, this device can not only move forwards and backwards, but can slide left and right and even spin […]

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Turn your bicycle into a Pokebike with DJ Harrigan’s MKR Zero device

3 days 11 hours ago

Within the Pokemon series there exists a special bicycle that plays a little tune when ridden, and this is what element14 Presents’ DJ Harrigan was trying to recreate with his DIY Pokebike project. It has a simple purpose: play the iconic theme song and increase its volume while accelerating and then decrease the volume and eventually […]

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The Piano Metronome is key to keeping the beat

3 days 13 hours ago

In the world of music, being able to keep time accurately is vital when playing a piece, as even small deviations in timing can cause the notes played to sound “off.” Ordinarily a device called a metronome is used to provide consistent ticks that the musician can use, but most are not that visually interesting. […]

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The Crumble Deck is a Stream Deck alternative based on an Arduino Due

4 days 10 hours ago

Stream Decks have gained a great deal of popularity within recent years. However, increased demand and a limited supply of them has caused their prices to skyrocket and availability to dwindle, leading many to seek alternatives. The streamer known as CoCoaCoCi has created a DIY Stream Deck before, but this first iteration only had a 3.5” touchscreen […]

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This archery robot always hits the target

5 days 7 hours ago

Both archery and robotics are extremely fun, but what happens when you combine the two? In Kamal Carter’s case, he constructed his own autonomous robotic archery system that can not only acquire and aim at targets, but even draw back the bow and fire an arrow all on its own. The project features an Intel RealSense Depth Camera at […]

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This freeform sculpture doubles as a drink temperature monitor

1 week 1 day ago

While some prefer iced coffee, few like a cup of Joe that’s been sitting out for too long and has simply stabilized to room temperature. To ensure his beverage is up to snuff, YouTuber Make Fun Stuff has created his own non-contact temperature display for his desk. The device features a brass rod circuit sculpture […]

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No opponent nearby? Not a problem! This automatic chessboard lets you play others remotely

1 week 2 days ago

Chess is an excellent game to play with friends, but what if you don’t have any to compete against nearby? This is what prompted maker Carlos Pendas to create an automatic chessboard that’s not only able to record which pieces got moved, but even move the pieces itself. This means you can play a game of physical chess […]

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This system uses machine learning and haptic feedback to enable deaf parents to communicate with their kids

1 week 2 days ago

For the hearing impaired, communicating with others can be a real challenge, and this is especially problematic when it is a deaf parent trying to understand what their child needs, as the child is too young to learn sign language. Mithun Das was able to come up with a novel solution that combines a mobile app, […]

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This disguised campsite security system lets you know ‘hoos’ there

1 week 3 days ago

Motion sensors for home security stick out like a sore thumb, as their shiny white exteriors can be easily seen from a distance. This is made worse when camping, as small, discrete security devices that blend into their surroundings are even harder to come by. This is what inspired Sean Miller to create his own that uses […]

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Epilet is a tinyML-powered bracelet for detecting epileptic seizures

1 week 4 days ago

Epilepsy can be a very terrifying and dangerous condition, as sufferers often experience seizures that can result in a lack of motor control and even consciousness, which is why one team of developers wanted to do something about it. They came up with a simple yet clever way to detect when someone is having a convulsive […]

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This sensory extension puppet lets you detect magnetic fields like a bird

1 week 4 days ago

Birds have an amazing sense of direction that aids in migrating across vast distances, and scientists think this is due to their ability to detect magnetic fields — just like a compass. Chris Hill on Instructables wanted a way to experience this for himself by using a sensor and some sort of feedback mechanism to feel a magnetic […]

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DIY Perseverance rover replica looks and moves like NASA’s

1 week 5 days ago

Merely looking at the latest Mars rover, Perseverance, will make almost any nerd giddy with excitement over the amount of cool tech that’s crammed into the vehicle before it gets shot into space. This feeling is what probably inspired Dejan of How to Mechatronics to create his own scaled-down version of the interplanetary vehicle, but […]

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James Bruton’s robot uses three ball-shaped wheels to move in any direction

2 weeks ago

Wheeled robots normally have wheels that move in a single axis and steer by using either differential speeds or by pivoting some kind of guide wheel. However, this leads to some drawbacks, the most obvious being an inability to move in really tight spaces. When presented with this challenge, YouTuber James Bruton came up with a great […]

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