Unlock the secrets to creating a powerful, customizable laboratory power supply with this step-by-step guide. Learn how to adjust both voltage and current for your specific needs, creating a versatile ...

[Septillion] and [Hugatry] have come up with a hack to manipulate a USB charger into becoming a variable voltage source ... simplify the control of the power supply. The video below shows ...

For one-off projects or prototyping, it’s not too hard to find a wall wart or power supply ... to the mains voltage. However, with proper care and design it’s possible to make use of these ...