Planning to make a variable power supply with this schematic and I was wondering if a switching power supply would be better than a transformer as the input? and if it is
Laboratory Power Supply Circuit | Homemade Circuit Projects
LM338 | Datasheet | Adjustable Power Supply 5A and 10A | Elec Circuit
LM338 | Datasheet | Adjustable Power Supply 5A and 10A | Elec Circuit
PWM-PSU Voltage Adjustment - Power Electronics - Electronics-Lab.com Community