We are pleased to announce that Dr. Clyde A. Lettsome has been selected to be part of the 2015 NCEES Fundamentals of Engineering Exam Writing Committee. He, along with other respected professional engineers from a number of different engineering disciplines will write questions that will be used on future National Council of Examiners for Engineering […]
Author Archive | Freda Johnson
Dr. Clyde A. Lettsome is serving for the second year in a row as 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. This is a position open to individuals who are experts in their fields as […]
In this video, I describe the proper way to simultaneously obtain negative and positive voltage from a dual power supply.
This video describes how to set the current limit and use an Extech 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.