Blog

April Fools’ 2014 Jokes for Enginerds

Each year it is fun to see who gets “got”.  With Twitter fever getter hotter each day, people can’t help but spread juicy news details.  Here’s a running list of the April Fool’s Gags I ran across in 2014 (updated links at top of list)

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AddOhms

AddOhms: Questions and Answers #1

In the past couple of months, AddOhms has caught a little bit of a following.  Nearly every day I have new questions coming my way.  I decided to it was time to address a couple of really good questions in a video response.  Ironically, in the video I mentioned giving “behind the scenes” info with each video.  However, for this one, I don’t really have any.  I can say that the next video is going to be on transistors…

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Blog

9V Batteries Suck — And why you shouldn’t use them.

Smoke detectors beep when their backup battery dies, which always seems to occur in the middle of the night (at least for me.) These backup batteries are usually a small rectangular 9V. They have become popular choices for electronics projects. If you need your Arduino project to last longer than a day, this isn’t the battery you want to use.  Here’s why.

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Blog

3 Options for Keeping Track of your Parts

As your electronics hobby grows, so does your parts collection.  Eventually the growing number of Mouser boxes with crudely written labels just won’t cut it.  Also, you’re tired of re-ordering parts you had but forgot about.  Here’s a couple of ways to keep track of your parts like a pro.

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AddOhms

AddOhms #8: LEDs and Current Limiting Resistors

The idea for AddOhms #8 has been around for quite some time.  I’m always trying to find ways to explain why current limiting resistors are necessary.  So while working in the shop one day, I decided to play with some LEDs and a bench-power supply.  Then I decided to record what happens.

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