Category Archives: pen

A Neat Pen POV build

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We’ve seen a lot of persistence of vision (POV) builds on bike wheels, sticks, and many other holders, but this one puts it on something new: a pen. [Befinitiv] was looking for a new way to add some smarts to everyday devices, and the result is a neat POV display that fits over a pen. At 128 by 64 pixels, it is not high definition, but this build uses a number of interesting techniques.

[Befinitiv] decided to try an alternative way of creating the display. Rather than mounting the LEDs on the outside to shine directly out, this prototype uses …read more

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Knock Your 3D Printer Down To 2D

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Hackers love 3D printers. In fact, they might love them a little too much. We hope know we aren’t be the only ones who couldn’t turn down a good deal on an overseas printer (or two). But when you’re not pumping out plastic boats and other PLA dust collectors, what are you supposed to do with them?

Well if you’re like [Uri Shaked] you could hand them a pen and tell them to get writing. The holidays are coming up quick, and somebody’s gotta sign all these cards. In his detailed write-up, he shows how he was able to add …read more

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The Smart Pen

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“Ugh. You mean I have to press down on the pen’s button to open it? Gross.” In this day-and-age when we can swipe on our phones and do voice recognition, there seems no reason we should have to press a button. How antiquated. So [Marek Baczynski] modernized his pen for swiping and voice control. It’s also sure to get all the kids back to working on their penmanship.

Seriously though, not all hacks have to be serious. [Marek] and [Ghlargh] added a servo to activate the button, and then [Marek] added Bluetooth to control the servo. After writing a phone …read more

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The Smart Pen

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“Ugh. You mean I have to press down on the pen’s button to open it? Gross.” In this day-and-age when we can swipe on our phones and do voice recognition, there seems no reason we should have to press a button. How antiquated. So [Marek Baczynski] modernized his pen for swiping and voice control. It’s also sure to get all the kids back to working on their penmanship.

Seriously though, not all hacks have to be serious. [Marek] and [Ghlargh] added a servo to activate the button, and then [Marek] added Bluetooth to control the servo. After writing a phone …read more

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Arduino Makerbeam Live Plotter Controlled By HTML5 Canvas and Java Website

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We’ve never seen someone build a plotter out of buzzwords, but [roxen] did a really good job of it. The idea is simple, place the plotter over a sheet of paper, open a website, draw, and watch the plotter go. Check out the video below the break.

The user draws in an HTML5 Canvas object which is read by a Java Web Server. From there it gets converted to serial commands for an Arduino which controls the steppers with two EasyDrivers.

The build itself is really nice. It perfectly meets the mechanical requirements of a pen plotter without a lot …read more

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