This video is perfect for anyone looking to build a 0-30V variable power supply with simple components.

components required:

1. 1 x Transformer 12-0-12, 1A
2. 1 x LM317
3. Resistors:
• 2 x 1KΩ, 1/2W
• 1 x 220Ω, 1/2W
• 1 x 10KΩ, 1/2W
4. 4 x Diodes (1N4007)
5. 1 x Capacitor (1000µF / 35V)
6. 1 x Potentiometer (10KΩ)

Pinout Diagram

Circuit Diagram

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