HOW TO MAKE A VARIABLE POWER SUPPLY [ VOLTAGE AND CURRENT CONTROL ] | Sekhohub.online

In this POST I have made a variable power supply using an adjustable voltage regulator LM 317 and a power transistor to increase its output current . I have tried to make this video as easy as it could be and used common components. I Hope it would be helpful.

Materials for the Project.

1.  1X LM 317
2. 1X D1047 TRANSISTOR
3.  1X BD139 TRANSISTOR
4. 1X 5 K OHM VERIABLE RESISTOR
5. 1X 10 K OHM VERIABLE RESISTOR
6. 1X 4.7 K OHM RESISTOR
7. 1X 4.7 OHM 10 WATT RESISTOR
8. 1X 220 OHM RESISTORS
9. 1X LED
10. 2X2 PIN TERMINAL BLOCKS
11. HEAT SINKS
12. 1X VERO BOARD
13. SOME WIRES

Dowload Circuit Diagram