[Guido Socher] built himself a great little bench power supply that’s able to put out 30 Volts at 2 Amps. Instead of taking the easy way out by putting a few taps on an ATX power supply ...

Pyrography pens don’t cost that much. The variable power supply they plug into, though: that’s another story. Those cost more than they probably should. [td0g] took the plunge into pyrography ...

Unlock the full potential of your electronics projects by mastering the art of building an adjustable power supply. This guide provides the knowledge and steps needed to create a custom power source ...