March 2019 Newsletter

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C A LETTSOME SERVICES, LLC Engineering A Better World


Latest Press Releases

Clyde A. Lettsome Renews His Professional Engineering License Dr. Clyde Lettsome, PhD, PE, MEM renewed his Florida Professional Engineering (PE) license this month. Florida requires all individuals who want to practice engineering to stay abreast of Florida laws and rules, as well as ethics in engineering, and to further their knowledge […]


Business Video Blogs

Business Vlog #2: Why I Deleted My Provider Accounts On All Freelance Websitess In this video I explain why I deleted my provider accounts on all freelance websites. These accounts include (Elance and Odesk),, and Zintro. There is more to the gig economy that you should consider before jumping in.



The Beginners Guide to Using an Oscope Now that you know this basics, it is time to start using your skills. This is the beginners guide to using an oscilloscope. In this video you will learn how to use an oscilloscope to read and analyze multiple signals at the same time. In addition, I discuss the use of oscope probes.


The Beginners Guide To Using Complex Digital Oscopes In this video I discuss coupling (ground, AC, and DC). I also discuss changing attenuation and scope probe.


Beginners Guide to Triggering on an Oscope  In this video I discuss triggering. I also discuss how an oscope displays a signal on the screen.


Ask the Expert

Ask the Expert: Do I need to replace my video card or computer?  In this video I help a follower decide if they should replace their video card or replace their computer.


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