A power supply is an electrical device that supplies electric power to an electrical load. The primary function of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load. As a result, power supplies are sometimes referred to as electric power converters
DPS3303P 32V DC Programmable Power Supply is a Compact adjustable DC power supply. It features seven segment display unit and indicator LEDs. It has five buttons M1-M5 which you can use for storing five specific values of voltage and current.