Jonathan Guberman from the Site 3 coLaboratory in Toronto made the "Automatypewriter," an Arduino-controlled typewriter that acts as both input and output device. He's rigged it to play Zork!
Each key is attached by fishing line to a solenoid, an electromechanical device that pulls down when electric current is passed through it. The solenoids sit behind and underneath the typewriter in a multi-layer structure. The solenoids are connected to a MOSFET, which allows the lower-power parts of the circuit to control the high-power solenoids.
The MOSFETs are connected in sets of eight to shift registers (integrated circuits that can, amongst other things, expand the number of outputs on a microcontroller). The shift registers are connected to an Arduino, which is connected to a computer via USB. When the computer sends a character to the Arduino, the Arduino chooses which solenoid to fire and sends that information to the shift registers.
Those bowtie-shaped “motorized self-balancing two-wheeled scooters” you see in the windows of strip-mall cellphone repair shops and in mall-kiosks roared out of nowhere and are now everywhere, despite being so new that we don’t even know what they’re called.
Vtech is a ubiquitous Hong Kong-based electronic toy company whose kiddy tablets and other devices are designed to work with its cloud service, which requires parents to set up accounts for their kids. 4.8 million of those accounts just breached, leaking a huge amount of potentially compromising information, from kids’ birthdays and home addresses to […]
The LG Watch Urbane 2nd Edition LTE was the company’s latest answer to Apple’s dominating entry into the market. But it died fast, pulled off the shelves within a week due to an unspecified problem with the display. Ron Amadeo writes that they “are not in a position to communicate the specifics of the issue […]
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This minimalist multi-tool will see to it that instead of rocking a tool belt, you’ll carry just one. It’s shaped slightly like a key and weighs less than an ounce, so it plays nice with your keychain. The strong surgical-grade stainless steel blade will last, and is handy for everyday tasks like opening boxes and […]
The Code Black is our top-selling drone of all time—and for good reason. This powerful, palm-size drone is not only insanely fun to fly, but can capture some serious video footage from up above. With a flight time of about 10 minutes and an ultra-smooth ride, it’s a great introductory drone for anyone looking to […]