Buying a PC power supply in 2026 is weirdly easy to mess up

Buying a power supply can seem like a minefield of jargon and specs. What wattage do you need? What efficiency rating is best ...

Build a Custom Steam Machine for Less Than $400

Maximize your gaming budget with this guide to building a $400 Steam Machine, featuring an Intel i7 processor and AMD Radeon ...
EDN

1.3 – 32 V / 5A Power Supply w/ Short Circuit Protection by LM338

This is a very easy to build power supply that is based on LM338 5A adjustable voltage regulator. I am using the supply for a long time, have no problem yet. Only current adjust is missing but I ...
Hackaday

Build A High Voltage Supply For Vacuum Tube Work

If you work on simple digital projects, just about any bench supply will offer the voltage and current you’re looking for. However, if you’re working with valves, you’ll often find yourself needing ...