Light painting is a fun way to create digital images by using just a few points of light to “draw” across a camera with a long exposure time. This gives the illusion of a virtual streamer being dragged on the canvas and can produce amazing photos. Ted Kinsman wanted to build a light painting machine, which […]
Whether commuting to work or simply having fun around town, riding a bike can be a great way to get exercise while also enjoying the scenery. However, riding around on the road presents a danger as cars or other cyclists / pedestrians might not be paying attention while you try to turn. That is why Alvaro […]
While thinking of an interesting project to create, Hackster user marcaubin started to imagine an audio spectrum visualizer, but not a traditional one that has a matrix of LEDs with columns corresponding to certain frequencies. Instead, his device would have just a single vertical NeoPixel strip featuring 29 LEDs in total, with the bottom ones displaying the […]
CNC plotters are a lot of fun to build and use, as they teach mechanics, electronics, and how G-code works. However, traditional Cartesian machines often require expensive components such as linear rods and ample amounts of bearings to move in just two axes. YouTuber DAZ Projects set out to change that by assembling a form of a […]
Near-field communication, or NFC for short, has started popping up everywhere as a way to easily pay, unlock doors, or even start a car. And now it can do one more thing: locate and track objects within a room. Researchers at Carnegie Mellon University’s Laboratory for Emerging Wireless Technologies have come up with an ingenious method to […]
Human-to-computer interfaces are nothing new, but they are often difficult to set up or use in more hobby-oriented applications. The team of Ezra Boley and Finn Kuusisto is setting out to change this with their FANTM EMG Arduino Uno shield. It uses a series of conductive pads that pick up electrical signals from a user’s muscles […]
Throughout the day as the sun evaporates the water from a plant’s leaves via a process called transpiration, observers will notice that they tend to get a little bit droopy. Also known as drought stress, this response to a loss of water results in low turgidity (internal water pressure) and can impact the ability of the […]
Some sundials are as simple as a stick pushed into the dirt, but they’re still reliable and accurate. The sun is, after all, quite consistent. But there are some caveats. The Earth’s orbit and its rotational tilt mean that the lengths of our days are variable and that means the simplest sundials are only perfectly […]
A few Arduino services will be offline briefly on 14th July as we perform some scheduled maintenance. These include Arduino Cloud and Education services.
As part of element14’s Build Inside the Box Challenge, James Lewis (AKA Bald Engineer) decided to make his own DIY tricoder from Star Trek. In the series, a tricoder is a ubiquitous scanning tool that can perform various scans of the environment through its onboard sensors, as well as record and analyze them later — all in a handheld […]
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