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Molex To Usb

post #1 of 7
Thread Starter 
I just modified my Sunon fan that came from a psu to work with molex and i was wondering if it would be possible to run from the usb? I found this Tutorial and i wasn't sure how to make the fan run at full 12V. Should i put all the red wires to one wire and all the black ground wires to the other? I would like this molex to usb be able to be detachable. So before i start cutting up my old psu i wanna know if i could just buy an adapter?
post #2 of 7
Sigh attaching a connector to a fan is bairly even a mod.

And even after you make it it is still useless because a USB port can only a 550mA


What are your intentions?
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post #3 of 7
Thread Starter 
Quote:
Originally Posted by StuffStuff1 View Post
Sigh attaching a connector to a fan is bairly even a mod.

And even after you make it it is still useless because a USB port can only a 550mA


What are your intentions?
its just a little project for school.
post #4 of 7
Quote:
Originally Posted by StuffStuff1 View Post
Sigh attaching a connector to a fan is bairly even a mod.

And even after you make it it is still useless because a USB port can only a 550mA


What are your intentions?
Pretty much this. Yes you would wire it like you mentioned, but it will be seriously undervolted. You say "all the red wires" though, if there's multiple you may be able to wire it to two USB connectors for 10v. Pretty worthless though IMO
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post #5 of 7
Quote:
Originally Posted by The_Punisher View Post
Pretty much this. Yes you would wire it like you mentioned, but it will be seriously undervolted. You say "all the red wires" though, if there's multiple you may be able to wire it to two USB connectors for 10v. Pretty worthless though IMO


Well the fan may or may not run at 5v..


Most fans dont start till 6-7v

And if it does run at 5v its gonna be slow and its gonna tick . You can buy 5v fans / blowers. Most fans for laptops are only 5v and less then 500mA. So thats your best bet.

You can also try experimenting with LEDS and what not.
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post #6 of 7
Two +5V connectors wired together doesn't make 10V. It makes a dead circuit.
post #7 of 7
Quote:
Originally Posted by Phaedrus2129 View Post
Two +5V connectors wired together doesn't make 10V. It makes a dead circuit.
Ohh please dont be stupid.

its like saying tieing two cars with Dental floss wont make it two times as fast..


LOL... jk
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