May 2019 Newsletter

Having problem reading this? C A LETTSOME SERVICES, LLC Engineering A Better World Latest Press Releases Dr. Lettsome To Serve on NCEES Computer Engineering PE Cut-Score Committee – Dr. Clyde A. Lettsome has been asked to and will serve, along with other respected licensed computer engineering professionals, on the NCEES Cut-Score committee. The NCEES Cut-Score …

Negative and Positive Voltage From A Dual Power Supply

In this video, I describe the proper way to simultaneously obtain negative and positive voltage from a dual power supply.

How to Set up and Use a Protek 3003B Power Supply

This video describes how to set the current limit and use an Protek power supply. Constant current and constant voltage are discussed. Use power supplies in dry areas away from flammable objects.

Dr. Lettsome Signs Contract with the Educational Testing Service

Dr. Clyde A. Lettsome is now an Advanced Placement Program (AP) Reader for the Educational Testing Service (ETS). The ETS a non-profit organization that develops, administers, and evaluates standardized tests and performance assessments.  As an Advanced Placement Program (AP) Reader, Dr. Lettsome will be reading and scoring the free answer portion of the College Board’s …

Dr. Lettsome Presents his Research at the SPIE Electronic Imaging Conference