Digital clocks are often made out of a series of 7-segment displays, which light up to represent the needed numbers. Michael Klements’ electromechanical project, however, doesn’t use LEDs, but instead physically flips 3D-printed segments into view with 28 micro servos. When in use, each segment’s bright green surface is clearly visible. When “off,” they’re turned […]
Coffee tables generally sit between a couch and TV, providing a convenient place to set your cup, snack, or magazine. As proven by Redditor Procupine however, with the addition of an Arduino Mega and a “mere” 600 LEDs, this piece of furniture can be truly mesmerizing. The woodworking portion of the project is made out of oak, while […]
Frank Piesik recently designed a robotic three-stringed instrument for his friend, Gregor, that features a unique sound and mechanical arrangement. Notes are selected by an array of 12 servos — four for each string — which pull down using a loop mechanism. The aptly named Greg’s Harp is played by a solenoid-driven “KickUp” device that […]
If you’ve ever thought of adding a user interface to an everyday surface — like a concrete wall, or even a sofa — MIT CSAIL’s SprayableTech system presents a variety of interesting possibilities. Input elements, such as buttons and sliders, are airbrushed onto a surface like graffiti with a single layer of conductive ink, while […]
While laptops eventually become past their prime, many of the underlying bits and pieces are still functional and could be reused. If you’re wondering what to do with an old touchpad, especially one with a Synaptics chip, then this stepper motor control project should provide some inspiration. Here the touchpad is read by an Arduino Leonardo […]
Magnets are amazing devices, and as demonstrated by Instructables community manager Troy Hawkins (AKA “tomatoskins”), they can even be used to mysteriously tell time. His project features magnets hidden behind a classic walnut veneer to rotate a pair of ball bearings around the unique clock face. While externally minimal, there’s a lot going on inside […]
Some years ago, Emily Velasco started exploring the idea of creating a musical instrument based on a pendulum. This didn’t work out exactly the way she’d planned, but after several iterations — and inspiration from a cat toy — the device eventually turned into a sort of wobbling egg-shaped instrument, which sings as it tilts […]
Kaleb Clark really enjoys flight simulators, but when attempting to fly a helicopter, a normal keyboard or even a joystick isn’t quite optimal for controlling its vertical movement. Real helicopters use a lever assembly called a collective to adjust downward thrust, and he decided to build his own with an Arduino Micro and GPIO expander. […]
After picking up a free arcade machine, YouTuber “Another Maker” has naturally been considering what to do with it. One of the more interesting components included is the 1/5/10/20 U.S. dollar bill acceptor, which he outlines in the video below. The cash reader is powered by a 12V supply, and “emulates” quarter inputs to the […]
(UPDATE: At this link you can find the online page of the conference, with videos of each session.) Combating COVID-19 Conference: A Collaborative Arduino Community Initiative will take place today, April 2nd starting at 5pm CEST. The online event will be streamed via Zoom. From 5:00 to 5:30pm, there will be only one streaming channel. […]
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