How to Make Variable Power Supply Circuit | Adjustable Bench Power Supply Circuit Explained in Urdu

In this video, I will show you how to make a 1.25V to 37V variable DC power supply using a simple and reliable circuit. This adjustable power supply is perfect for electronics projects, DIY experiments, testing circuits, and lab use.

I explained in Urdu, complete circuit diagram, working principle, components list, and voltage adjustment method step by step. Even beginners can easily build this variable power supply at home. The output voltage can be smoothly adjusted from 1.25V up to 37V DC using a potentiometer.

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This project is very useful for:
✔ Electronics students
✔ DIY hobbyists
✔ Repair technicians
✔ Lab bench power supply needs

Video includes:

Circuit diagram explanation in Urdu
Components list
Working principle
Output voltage testing

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