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October 2012

Jameco Electronics Newsletter

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Forrest Puzzler

Forrest M. Mims III Puzzler

It's 2020, and the government has banned incandescent car headlights. Instead, expensive LED headlights must be used. To enforce this law, how would you design a passive, automatic "headlight trap" sensor to accurately tell the difference between LED and the banned incandescent headlights? The sensor should be small enough to be mounted on the dashboard of a law enforcement vehicle and easily carried by an aerial drone designed to cruise over highways at night.

How would you design the headlight trap?
arduino breathalyzer

My Story: Why I Built an iPhone-Arduino Breathalyzer

Product Manager Omar Arriaga was out with buddies and he asked a profound question, (at least it seemed like one at the time), "Why isn't there a breathalyzer app for my phone?" Encouraged by his buddies' challenge that it was impossible, Omar set out to prove them wrong!

Find out if a sober Omar succeeded in creating an iPhone Breathalyzer App!

Jameco welcomes the contributions of its customers. Frankly, we think what you write is more interesting than anything we could write. Share your electronic component story, project, or challenge, and we'll share it with the world. Send your story to [email protected]
Motion Sensing

Build a Motion Sensing Pulsing LED

Designer Dmitriy Abaimov's project can add bling (or at least some "blink") to almost anything but it looks especially sweet in a box of chocolates. This project uses Charlieplexing to drive up to 12 LEDs via an ATtiny13 controller and is a great way to brush up on soldering skills, or even kiss up to someone you admire!

Add some bling to your own box of chocolates now!
Arduino Animatronics

Use Arduino Anamatronics to Deck-out Your Holiday Display

Whether for fun, household decorations, or holiday spirit, Arduino powered animatronics can add action, sound and lights to just about anything for decorations, costumes or your personal backyard amusement park.

Deck-out your costumes or decorations with Arduino animatronics.
Greg's Corner

Greed, Wealth & LEGO

It was the word LEGO that caught my eye in the local newspaper. While the national news gets most of my attention, what's happening in my neighborhood is far more critical to my life. And yet when the local news seems to mirror the national news, the impact is magnified. The article detailed the theft of $30,000 worth of LEGO products. But it was the second paragraph of the article that caused my jaw to drop. There is nothing more frustrating in life than when people and companies don't play by the rules. Whether it's parking within the lines, or being courteous to a stranger, the world works better when we all follow the rules.

Find out how close to home this crime is alleged to have hit.