Concept Pen Measures Its Own Lines, Makes Its Own Power
Posted in: Accessories and Peripherals, Today's Chili
The Electronic Pen measures the rotation of its ball to determine line length
The Electronic Pen tells you just how much ink it has laid down, by distance. While it might be fun to know that your signature is exactly 13.37cm long, there are more practical uses, too.
For instance, you could use Jang Hyung-Jin’s concept pen to measure lines as you draw them, effectively turning any straight edge into a ruler. Better, you can measure around corners.
It could also be fun for learning. Everybody knows that the circumference of a circle is the diameter times pi, but it’s pretty cool to use this pen to draw that circle and have the math confirmed.
The pen even has a few neat physical design features. One is the curved side which protects the LED screen inside a concave cranny. The other is some mysterious interior mechanism that powers the whole thing as it moves.
And no, this pen may never make it into the real world, but that doesn’t mean its not worth clicking through to the project page and seeing the rather suggestive diagram showing just how to charge it.
Meter Pen [Yanko]
See Also:
- Pen Draws Working Circuits With Silver Ink
- Rubber Pen Organiser Wraps Around Notebooks
- DIY Pen Is More Fun to Make Than Use
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