Quantity   Component name
1 × Transformer 127V to 24V 2A
1 × LM337 Linear voltage regulator
1 × LM317 Linear voltage regulator
4 × 1000 µF Electrolytic capacitors
2 × LEDs Electronic Components / Misc. Electronic Components
2 × 5KOhm resistors (1/4W)
2 × 0-5kOhm Potentiometers
3 × Power supply output knobs
4 × 1N4007 Silicone diodes
4 × 5mm threaded machine screws