Tag Archives: LED

LEDs: Seeing Double

Posted on April 26, 2013 by Duane

Like I do so often, I’m being a bit redundant. While I’m all for stamping out and eliminating redundancy, this is redundancy with a purpose (not a porpoise). Not long ago, in a galaxy not far away, I blogged about … Continue reading →

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More Cautionary Tails

Posted on January 16, 2013 by Duane

I recently wrote about the horrors of LED marking variations. Unfortunately, LEDs aren’t the only place to find inconsistencies in our world. Another part to keep a close eye on is the ubiquitous three-terminal voltage regulator. For just short of … Continue reading →

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‘The Magic One’

Posted on October 9, 2012 by Mike

It was 50 years ago today when a then 33-year-old scientist at General Electric invented the first practical visible-spectrum light-emitting diode, a device that GE colleagues at the time called “the magic one” because its light, unlike infrared lasers, was … Continue reading →

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Fun with Electrolytics

Posted on July 13, 2011 by Duane

I was fiddling with one of my robot boards the other day — popping some passives on and off and checking out subs and alternate values. I was doing this on a couple of boards at the same time. Everything … Continue reading →

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My Mistake — Naturally

Posted on April 22, 2011 by Duane

I received my PCBs for this project from Sunstone yesterday at about 10:10. I quickly dropped them into my box of parts and delivered it to the receiving pile-of-boxes in our shipping.receiving department. At 11:40 a.m. yesterday, I received an email … Continue reading →

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