Tag: power supply

SATA power supply

Have you ever needed to power a HDD for testing purposes, diagnostics etc. but you did not have an available SATA power cable ? Then this project is ideal for you. How it works Its a pretty simple and easy project. All that the device does is use dc-dc buck converter modules to drop the 12v dc from an external power supply to 5v and 3.3v. I also added a switch for the 3.3v rail because some HDDs read the 3.3v as a shutdown signal and an led. Schematic Parts DC – DC buck converter : The hart of this…