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Saturday, December 23, 2023

on video How to make Adjustable voltage by transformer 3A with transistor 2N3055


 How to make Adjustable voltage by transformer 3A with transistor 2N3055

I am assembling here a powerful Adjustable Power Supply of 0-30 volts and 10 amperes. I have used a pair of 2n3055 transistors, bd139 and lm317 to control voltage and amperes. I hope you will like this video.

The LM317T is an adjustable voltage regulator which is capable of supplying different DC voltage outputs.


The Current Transformer (CT) is a type of transformer that is used to measure alternating current (AC). It produces a secondary current which is proportional to the current in its primary.


The video and manual provide instructions for creating a very simple circuit.

Hello today i would like to show you about How to make adjustable voltage power supply 2V to 30V include USB Port 5V from Computer Power supply box.


 How to make Adjustable voltage by transformer 3A with transistor 2N3055

I am assembling here a powerful Adjustable Power Supply of 0-30 volts and 10 amperes. I have used a pair of 2n3055 transistors, bd139 and lm317 to control voltage and amperes. I hope you will like this video.

The LM317T is an adjustable voltage regulator which is capable of supplying different DC voltage outputs.


The Current Transformer (CT) is a type of transformer that is used to measure alternating current (AC). It produces a secondary current which is proportional to the current in its primary.


The video and manual provide instructions for creating a very simple circuit.

Hello today i would like to show you about How to make adjustable voltage power supply 2V to 30V include USB Port 5V from Computer Power supply box.

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