Want to know if someone is telling you the truth? Well, unfortunately Juan Gg’s “USB Polygraph” isn’t a professional product and won’t actually give you an answer. However, it is a neat exploration into biometrics that incorporates Arduino, some sensors, and data visualization. The DIY lie detector does measure one’s galvanic skin response, pulse, and […]
Shape-shifting interfaces, which could be deployed to create dynamic furniture, structures or VR environments, have great potential; however, creating them is often quite difficult. To simplify things, researchers from the University of Colorado Boulder have developed “LiftTiles,” modular blocks that raise to the desired height (between 15 and 150 centimeters) via air pressure and then […]
If you want a way to measure magnetic fields on the go, then look no further than this tiny device from Instructables user “rgco.” The portable magnetometer was made using just a couple of common parts, including an SS49E linear Hall effect sensor, an Arduino Nano, a 0.96” OLED screen, and a push button. All […]
Board games can be fun, but what happens when you need more than six, 12, or even 20 possibilities to decide your character’s fate? One could of course use several dice, or an online simulator, but creator “Rehaan33” built something much more elegant in the form of a dedicated dice terminal. This device takes user […]
Apparently not content with simply brewing his coffee to perfection, Alex Campbell can actually take control of the roast itself thanks to his beautiful fluid bed roasting rig. His DIY device is constructed using a variety of stainless steel and aluminum components, along with a transparent roasting chamber. A spa blower is employed to suck […]
Adnan.R.Khan recently decided to give his room’s sliding door latch an upgrade by designing a mechanism to open and close it, using little more than an Arduino Uno and Bluetooth module. His automated device is operated via a smartphone app written in MIT App Inventor, and it employs a shield to control a small DC […]
Using an Arduino Nano 33 IoT, Jithin Sanal designed a home monitoring system capable of detecting noxious gases with an MQ2 sensor as well as sensing temperature, pressure, humidity, and ambient light via a BME280 sensor and an LDR. All of this is mounted onto a custom PCB that’s powered by a 9V battery, or […]
For enthusiasts, the Fundamentals Exam is the first tier in the Arduino Certification Program (ACP), designed to test entrants knowledge in Arduino-related electronics, programming, and physical computing. The exam is available for everyone interested in officially certifying their skills and knowledge on Arduino, that could, for example, be referred to in a resume for academic […]
For his latest project, Will Cogley has created an animatronic heart so realistic that you might wonder if it’s the actual thing. The device is made out of molded silicone with fake blood poured on top to enhance the effect, and inside a trio of servo motors push the lower and upper sections of the […]
If you want a red piece of paper, or a blue pen, what does that really mean? If you’d like to get more specific, Michael Klements’ Arduino-based scanner lets you quantify colors in numerical RGB values via a TCS34725 sensor. User interface for the handheld device is extremely simple, with a single button to trigger […]
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