Compact Bench Power Supply

## Goal
The goal was to create a compact bench PSU with the total cost less than 30 USD. I used a 12V LED adapter for reducing space and to be within budget.

## Bill of Materials
- 16x M3 x 20mm screws to assemble the box.
- 2x pair of banana sockets ([link](https://www.aliexpress.com/item/32909566570.html))
- 1x 20 mm glass fuse holder ([link](https://www.aliexpress.com/item/33014435719.html))
- 1x WZ3605E CNC DC Buck-Boost Converter ([link](https://hu.banggood.com/WZ3605E-CNC-DC-Buck-Boost-Converter-CC-CV-36V-5A-LCD-Power-Module-Adjustable-Regulated-Power-Supply-Constant-Voltmeter-Ammeter-p-1999853.html))
- 1x 12-24V 48W Dual USB Car Charger Socket ([link](https://www.banggood.com/12-24V-48W-Dual-USB-Car-Charger-Socket-PD3_0andQC3_0-with-LED-Voltmeter-ON-or-Off-Switch-Fast-Charge-Bus-Trailer-Boats-p-1975052.html))
- 1x 3A 12V LED power supply (Optonica AC6121) ([link](https://optonica.hu/OPTONICA-LED-tapegyseg-12-Volt-36-Watt-3A-AC6121))
- 1x IEC C14 socket
- 1x RK1-17 rocker switc