Category Archives: Troubleshooting

Hot Stuff

Posted on 2019-11-25 by M. Eric Carr

Never trust a glowing HSI. It might be failed even though it’s lit up. Continue reading →

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The Calibration Equation

Posted on 2016-06-30 by M. Eric Carr

How to calibrate most things, using simple math. Continue reading →

Posted in 3D Printing, HOW-TO, Math, Science, Troubleshooting | Leave a comment

Cracker Hunting

Posted on 2016-02-12 by M. Eric Carr

In which various Linux command-line tools are used to lower the boom on some asocial script kiddies. Continue reading →

Posted in Digital Citizenship, Internet, Networking, System Administration, Tools, Troubleshooting | Leave a comment

Electronics Intuition, or The Giggle Test

Posted on 2016-01-26 by M. Eric Carr

Mathematical analysis is one of the most useful tools in electronics. With the right formulas, you can figure out what value capacitors and inductors to use to make a resonant circuit operate at a particular frequency, or what resistors to … Continue reading →

Posted in Electronics, Fundamentals, Troubleshooting | Leave a comment