Quantity   Component name
2 × V7805-2000 Switching Regulator Converters, Inverters and Regulators / DC-DC Converters
1 × V7812-1000 Switching Regulator Converters, Inverters and Regulators / DC-DC Converters
1 × Single-sided copper-clad board
1 × 3D printed Barrel Jack mount https://www.printables.com/model/276899-texas-instruments-ti-994a-barrel-jack-adaptor-remi
1 × LED (salvaged)
1 × Slide switch (salvaged)
1 × 10 uF 50v electrolytic
3 × 10 uF 25v electrolytic
2 × 22 uF 16v electrolytic