Cara membuat adjustable power supply dari charger laptop

Adjustable power supply is a power supply whose voltage can be adjusted or adjusted according to need. For example, we need a voltage of 3.3 Volts, 5 Volts, and 12 Volts while we do not have a power supply whose voltage cannot be adjusted. So like it or not, we have to provide a power supply that suits our needs. Therefore, with this adjustable power supply, there is no need for a lot of power supply for varying voltage needs, simply by using this adjustable power supply. Ingredients: 1. Used Laptop Charger 2. Dc-Dc Buck Boost Converter Module 3. Digital Volt-Amp Meter 4. Adequate Cable 5. Crocodile Claw 6. Double Tape #AdjustablePowerSupply #VariablePowerSupply #OliveElektroTeknik