Usongshine 3D Printer Cooling Fan 40 x 40 x10mm 4010 DC 5V Cooling Fan with 2Pin Wire, 2 Packs of Mounting Screws (5V Pack of 2)

today I'm going to show you how to use this simple and cheap buck converter to directly power your Raspberry Pi as well as installing much much quieter cooling fans if you like me you're running out of powerpoints my octoprint installation until now comes from a separate plug going into the wall and that takes up a lot of real estate if you're also like me you want your printer to be as quiet as possible and let's face it the stock Holling cooling fan is hardly quiet it's prone to buzzing and making all sorts of weird vibrations trouble is you can't change it very easily because all the quiet fans don't come in 24 volts like the printer is powered by we're gonna use these simple little things called buck converters a buck converter is simply a colloquial name for a voltage regulator these ones that I'm using they're adjustable and they are extremely cheap the good news is they're capabl