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 […]
USB cables come in a variety of shapes and sizes, with different internal connections that may be unknown to the user. For an easy way to figure out these connections, and to diagnose if the cable itself is faulty, TechKiwiGadgets has come up with the Arduino Cable Tracer. This device features an Arduino Mega board […]
NASA’s history is full of fascinating facts and trivia. For example, the Apollo Guidance Computer, which handled navigation and control for both the Apollo Command Module and the Apollo Lunar Module, ran with less RAM and processing power than a TI-83 graphing calculator. But reading that fact isn’t the same as actually experiencing the Apollo […]
Nixie tubes are fun little devices that act like seven-segment display modules in that they can be lined up together in order to form a larger number by showing digits 0 through 9. One maker, Marcin Saj, has created a unique project that uses a series of six Nixie tubes that can show the current time, temperature, […]
Tactile displays are one of the neatest ways to interact with how data is displayed, as it can not only be seen, but also felt. However, these kinds of systems are often quite expensive due to their complex nature, which is why Jason Higgins wanted to create his own pin display that he calls the PinThing. The device primarily […]
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