0 20 V, VARIABLE POWER SUPPLY USING LM317

Super simple Variable Power Supply, 0 - 20 V, 1Amp. OR 2 Amp. Any one who is interested in Electronics can assemble this low cost efficient power supply using the instructions given in the video. THE MATERIALS: 18 V-0-18 V, 1 Amp. or 2 Amp. Transformer IN5408 Diode X 2 IN4007 Diode X 1 4700 ufd,50 V capacitor X1 470 ufd, 25 V capacitor X1 LM317 X 2 5K,1W potentiometer X1 2K preset X1 2k2,1/4w resistor X1 220 ohm,1/4w resistor X1 Heat sink plate X1