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Arduino Waveform Generator

Arduino Waveform Generator | ein101 | Scoop.it
Build your own waveform generator (resistor ladder + opamp) using an Arduino with a simple kit.

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mcarrasco's curator insight, June 24, 2013 10:34 AM

Looks interesting !

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Researcher Says Lego Minifigs Aren't as Happy as 25 Years Ago

Researcher Says Lego Minifigs Aren't as Happy as 25 Years Ago | ein101 | Scoop.it

University of Canterbury's researcher Christopher Bartneck has made an obvious discovery: Lego minifigs are not as happy now as they were 25 years ago, when all their iconic, cleanly designed faces were happy. Now they are mostly a mess—including facial expressions of anger, doubt, sadness or fear.

I hate the minifigs with different expressions. Not only they are terrible drawings, but their faces have an inescapable meaning. They are angry or fearful or doubtful or sad or whatever other human expression they try to portrait. There's no way around that—they are fixed, they can't be changed. They can't be mentally erased. An angry minifig will always be an angry minifig. Poor minifig—cheer up, you stupid little thing.

On the other hand, the classic face allowed kids to imagine anything they wanted. It didn't matter the face was always "smiling" because, by being common to all minifigs, it was perceived as the generic, neutral state. It was an icon for "face goes here, imagine anything you want." And so we did—or at least I did! The classic minifig face is beautifully simple, devoid of any noise—it's an extremely powerful design. So powerful that it became the popular icon that it is today.


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Deloste's curator insight, June 24, 2013 6:05 AM

compulsory search !

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Single-Board Computers: Are Gooseberry mini PCs giving Raspberry Pi a run for its money? - element14

Single-Board Computers: Are Gooseberry mini PCs giving Raspberry Pi a run for its money? - element14 | ein101 | Scoop.it
Gooseberry board. Simply a tablet PCB without the screen.
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13 Jokes That Every Math Geek Will Find Hilarious

13 Jokes That Every Math Geek Will Find Hilarious | ein101 | Scoop.it
 "That's no hydroxyl ion! That's my wife!" (13 Jokes That Every Math Geek Will Find Hilarious

http://t.co/9LbJ9kyfRI)
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Getting Started With NFC

Getting Started With NFC | ein101 | Scoop.it
This article looks at how Near-Field Communication (NFC) takes the identification and low cost capabilities of RFID and extends them, with processing and authentication, within the NFC tag.

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Digital light meter using Arduino and BH1750FVI sensor

Digital light meter using Arduino and BH1750FVI sensor | ein101 | Scoop.it

A light meter is a device that measures the intensity of light. It finds applications in schools, hospitals, production areas, passageways and more to measure and maintain proper lighting levels. It is often used by photographers to determine the proper exposure for a photograph. Today we are going to build a simple light meter using an Arduino board and a BH1750 digital light sensor. The measured lighting level or intensity is displayed on eight seven segment LED displays, in both Lux and Foot-candle units.


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This Week In Comics: Remember The Creators,’Daredevil,’ ‘Batman Inc,’ And More

This Week In Comics: Remember The Creators,’Daredevil,’ ‘Batman Inc,’ And More | ein101 | Scoop.it
By Matt D. Wilson Each week, Matt Wilson, co-host of the War Rocket Ajax podcast and author of The Supervillain Handbook, examines at a major comic news (It's important to remember - as @HighMindedMW points out - that Superman didn't just appear...
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BOT-LOGIC Hexapod with Arduino Powered 30 amp Robot Shield

Easy-to-assemble hexapod kit & controller that enables servos to also act as sensors. Now legs & grippers can set/check applied force!

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