Category Archives: Just For Fun

Experimenting with Buck Converters

If you’re like me, the first thing you do when wiring up a new circuit is to connect the power and ground rails (with the power source initially turned off… maybe).  And you’ve probably got at least one power supply … Continue reading

Posted in Just For Fun, Tutorials/Educational | Tagged , , , , , , , , | 18 Comments

Ozone and Earthquakes?

The words “earthquake” and “ozone” are two terms you don’t often find used in the same sentence.  Like “congress” and “effective”, or “health food” and “delicious.”  And yet, MSNBC recently published an interesting news item whose title did just that: … Continue reading

Posted in Just For Fun, News | Tagged , , , , , | Leave a comment

Happy New Year

Greetings People of the Internet!  First off, Happy New Year!  The last twelve months have proven quite interesting, yes?  Whether good or bad, I think the term “interesting” is fairly safe here.  I can’t say my 2011 has been all … Continue reading

Posted in Just For Fun | Tagged , , , , | Leave a comment

LabVIEW: The Simple Talking Voltmeter

A couple of weeks ago I spent some time examining a fairly complex circuit board from my old, but still functional, clock radio/CD player.  I was using the probe of my handheld multimeter to measure voltages at various IC pins … Continue reading

Posted in Hobbies, Just For Fun, Test | Tagged , , , , , , , | 1 Comment

Small Stuff: An Optical Mouse Sensor

A few weeks ago I was given a broken Microsoft Wireless Optical Mouse 4000.  When powered on, its LED glowed and appeared to blink and fade as expected, depending on whether or not the mouse sensed motion.  The USB receiver … Continue reading

Posted in Just For Fun | Tagged , , , , , , | 2 Comments