3D Printed Video Terminal Dials C for Cyberpunk

Created for the Disobey 2020 hacker conference in Finland, this Blade Runner inspired communications terminal isn’t just for decoration. It was part of an interactive game that required attendees to physically connect their conference badges up and “call” different characters with the functional keypad on the front of the unit. …read more

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Circuit Board Origami Puts You Face-to-Face with Low-Poly Electronics

Paper craft has been around almost as long as paper itself. It’s fun to mimic paper craft and origami with low-poly 3D prints, and [Stephen Hawes] wondered whether it could be done with copper-clad PCBs. Two years after the question arose, we have the answer in the form of a …read more

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Miniature Faux Floppy for 8-Bit Atari Looks the Part

There’s plenty of fun to be had with retrocomputers of yesteryear, but for modern users, it can be something of a culture shock. Going back to floppy disks after all these years is a reminder of just how far storage technology has come in terms of speed, reliability, and of …read more

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Official Arduboy Upgrade Module Nears Competition

We’ve been big fans of the Arduboy since [Kevin Bates] showed off the first prototype back in 2014. It’s a fantastic platform for making and playing simple games, but there’s certainly room for improvement. One of the most obvious usability issues has always been that the hardware can only hold …read more

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Robot Fights Fire With IR

Fighting fire with robots may take jobs away from humans, but it can also save lives. [Mell Bell Electronics] has built a (supervised) kid-friendly version of a firefighting robot that extinguishes flames by chasing them down and blowing them out.

This hyper-vigilant robot is always on the lookout for fire, …read more

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What Time Is It? Infinity Time

Since the dawn of the infinity craze, we’ve seen all kinds of projects — mirrors, smart mirrors, coffee tables, clocks, you name it. Unfortunately all of these cool projects sit at home, unappreciated by the public. Well, not anymore. [nolandoktor] is taking infinity to the streets with this beautiful and …read more

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Chiptunes Via USB MIDI With The AY-3-8910

There are many venerable soundchips in the chiptune pantheon, of which the AY-3-8910 is perhaps one of the lesser known. Having not served on active duty for Nintendo or Commodore it’s somewhat unloved in the USA, but it made its name in a variety of arcade and pinball machines and …read more

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High-Style Ball Balancing Platform

If IKEA made ball-balancing PID robots, they’d probably look like this one.

This [Johan Link] build isn’t just about style. A look under the hood reveals not the standard, off-the-shelf microcontroller development board you might expect. Instead, [Johan] designed and built his own board with an ATmega32 to run the three servos that control the platform. The entire apparatus is made from a dozen or so 3D-printed parts that interlock to form the base, the platform, and the housing for the USB webcam that’s perched on an aluminum tube. From that vantage point, the camera’s images are analyzed with OpenCV …read more

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Every Computer Deserves a Rotary Encoder

In the era of touch screens and capacitive buttons, we’d be lying if we said we didn’t have the occasional pang of nostalgia for the good old days when interfacing with devices had a bit more heft to it. The physical clunk and snap of switches never seems to get old, and while you can always pick up a mechanical keyboard for your computer if you want to hear that beautiful staccato sound while firing off your angry Tweets, there’s a definite dearth of mechanical interface devices otherwise.

[Jeremy Cook] decided to take matters into his own hands (literally and …read more

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Micro-ATX Arduino is the Ultimate Breakout Board

If you’ve been hanging around microcontrollers and electronics for a while, you’re surely familiar with the concept of the breakout board. Instead of straining to connect wires and components to ever-shrinking ICs and MCUs, a breakout board makes it easier to interface with the device by essentially making it bigger. The Arduino itself, arguably, is a breakout board of sorts. It takes the ATmega chip, adds the hardware necessary to get it talking to a computer over USB, and brings all the GPIO pins out with easy to manage header pins.

But what if you wanted an even bigger breakout …read more

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