How to Set up an Extech Power Supply

This video describes how to set the current limit and use an Extech 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.

How to Set up and Use a BK Precision Power Supply

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

Charging A Car Battery With A Power Supply

Ken. T: Would it be safe to charge a battery with a mixture of the 2? The reason I ask is because atx power supplies often have a -5v and -12v rail, I would like to add a potentiometer to properly give a car battery a 13.5v charge. But I’m not sure is the negative …

Negative Voltage?????

Setup: A few months ago, I posted a video on Youtube demonstrating how to use a dual power supply to obtain negative and positive voltage simultaneously. XActSafeX : What is negative voltage used for?  Answer: That is a very good question. I asked the same question as an undergrad student. The best way to describe …