In the classic Ship of Theseus thought experiment, we’re led to wonder if a ship is still the same ship after all of its parts have been replaced. But we might need to rename that to the “Robot of Boomba,” after Lucas completely rebuilt a Roomba to serve as a robotics platform. At one time, […]
Clem Mayer over at element14 Presents got his hands on a big old LED matrix display and when he turned it on, it worked perfectly. It even displayed the last programmed message, like an inadvertent time capsule. But upon opening up the enclosure, Mayer found danger and some strange control quirks. So, he used an […]
Signal generators are useful for testing and evaluating electronic components and devices. If you do a lot of that kind of work, you’ll probably want to go buy a decent signal generator. But you can easily spend hundreds or even thousands of dollars on one. If, however, you’re on a budget or need to generate […]
Electric model trains are brilliant in their simplicity. The locomotives have little electric motors and the rails on the tracks act as wires to get power to those motors. But as is always the case with electric motors, there are varying levels of sophistication when it comes to speed control. To upgrade his ancient Z […]
So many of us struggle to wake up in the morning and end up sleeping through our alarms. You may even be the kind of person who will continue sleeping, even as your alarm clock is blaring right next to you for 10 minutes. If so, you’ll want to check out this megaphone-powered LEGO alarm […]
That shiny new Arduino UNO R4 board that you got has quite a bit of power under the hood, thanks to its Renesas RA4M1 Cortex-M4 microcontroller. It has more than enough power to run games and one great way to take advantage of that is by building Szymon Kubica’s MicroBox handheld console. The MicroBox design […]
Smart home and IoT devices are nice and all, but controlling them always feels a bit clunky. It seems like it always comes down to trying a voice command and then, when that fails, opening an app on a smartphone and pushing a button. That’s why Unnecessary Inventions’ Matty Benedetto came up with this much […]
Every year, some of YouTube’s most prolific makers get together to coordinate a Secret Santa exchange among themselves, then post videos of the results. The only rule is that they have to create the gifts. This year, Matty Benedetto (Unnecessary Inventions) got Austin Bradley in the exchange. For Bradley’s present, Benedetto constructed this set of […]
Every garage needs a refrigerator to keep drinks cold during sweaty projects, but Rick Fryar’s Sanyo mini fridge was on the blink. Seemingly at random, it would either run the condenser constantly until everything was frozen, or not run the condenser at all. To get it working again without spending a fortune, Fryar used an […]
To mark Arduino’s 20th anniversary, the IEEE Student Branch at the University of Padua organized a special competition that challenged students to push the boundaries of what’s possible. The summer-long contest culminated in a presentation on November 19th at the Department of Information Engineering, where three teams showcased projects ranging from gesture-controlled vehicles to environmental […]
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