If you’d like to bring the air hockey arcade experience home with you, then look no further than this project by Kousheek Chakraborty and Satya Schiavina, or ‘Technovation.’ Cleverly, the scaled-down game table uses a household vacuum cleaner blower attachment to provide air pressure, sending little jets of air through a grid of laser-cut holes […]
A few weeks ago, we announced that Arduino now works with TinyGo, the popular compiler that brings the Go programming language to microcontrollers. We had the opportunity to sit down with Ron Evans, Technologist for Hire, and learn more about the Arduino and TinyGo integration. Some of our audience knows about Go (we ourselves use […]
Patrick Hickey has been collecting retro LED indicators and displays for decades, and his rarest item is an HP 5082-7002—a 5×7 dot matrix LED display in a beautiful gold and (possibly) sapphire enclosure. This device is so rare, in fact, that he believes it to be a prototype, somehow relegated to eBay for gold salvage. […]
Writing on a whiteboard isn’t an easy task for many people, including instructor ‘Kenyer,’ whose lettering can be on display for a semester or more. Rather than accept his imperfect penmanship, he modified a 1980s-era Rotring NC-Scriber—originally meant for mechanical drawing use—to do this for him. His project runs on an Arduino Uno and motor […]
Although flip clocks may be extremely interesting electromechanical devices, with rolling flaps to show what time it is, they’re also fairly complicated if you want to build one yourself. Mark Wilson, however, took a different approach with his project, simulating the output on a 320×240 LCD display. The clock is powered by an Arduino Uno […]
Instead of controlling his temperature and humidity display directly, maker mosivers did things a bit differently, driving the temperature of each segment with a Peltier element, or thermoelectric cooler (TEC), to change its color. Each segment is made out of a thermochromic material, cycling from a black off state to a greenish hue when on, […]
Apparently not content with a traditional laser harp, Jonathan Bumstead set out to take things in a different direction. What he came up with is a device whose laser strings are arranged horizontally, and loop though its boxy structure for an amazing audiovisual effect. The aptly named Upright Laser Harp is divided up into six […]
If you’d like to integrate touch functionality to your LED project, then tuenhidiy may have just the thing for you. The setup uses 16 pairs of IR emitter and receivers arranged down the length of a bi-color 16×32 matrix to tell when one has inserted a finger or other object into an area. When sensed, […]
YouTuber “Absorber Of Light” needed to cut thousands of tiny aluminum pieces with a chop saw, and after paying someone to do this for him, decided to instead automate the process. His system is controlled by an Arduino Uno, and moves strips of aluminum under the saw using stepper motor and threaded rod assembly—a sort […]
Upon obtaining a small toy piano, Måns Jonasson went to work “Arduinoizing” it with 30 solenoids to hammer out tunes. A MIDI shield is used to pipe commands from a computer to the Arduino Mega that’s used for control, and after experimenting with discreet wiring and electronics for each of the solenoids, he switched to […]
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