CobraN

[QUOTE=CobraN;682355]Since many people here Using Cooling fans on there systems....and some of these fans are really noisy on 12V...So i have decided to Create a Fan Controller which can be used on 5V or 12V with the help of a normal 3 Way switch..

This Switch Can be operate in 3 ways...I named them accordingly,

1-Whisper Mode(Works on 5V without any Noise)
2-Extreme Mode(Works on 12v with too much Noise)
3-Off Mode (fan will not operate in this Mode)

:emergency:[COLOR=Red]Note:Switch of your Supply and Double Check the Connection...make sure they are not Loose and also not Contacting with other wires...and Try this at your Own Risk![/COLOR]:emergency:

[B]Things Required to Create Fan Controller:[/B]

1- 3 way DPDT Switch (double-pole double-throw)
2- Male Molex Connector with wire.
3-Fan for which you are making Controller.

[IMG]http://i726.photobucket.com/albums/ww262/Cobran32/1.jpg[/IMG] This is how DPDT switch Like.

[IMG]http://i726.photobucket.com/albums/ww262/Cobran32/2.jpg[/IMG] This is a 4-Pin Molex Configuration
[B]
First Step:
[/B]
-Take the Switch which is easily available in any Electronics Shop for just Rs.30..

-Strip Wires of Molex Connector Such that on one end you have 4-pin male molex and on other you have 4 strip Wires(Yellow,Black,Black,Red).

[B]Second Step:[/B]

Now Connect the Molex Stripped wires according to the this Configuration or from above Wiring figure.

1st Row : Yellow(12V) and Black(Ground)
2nd Row: Red(+ve) and Black(Ground) Wires of your Fans.
3rd Row: Red(5V) and Black(Ground)

[IMG]http://i726.photobucket.com/albums/ww262/Cobran32/3.jpg[/IMG]
Now connect the male Connector with the PowerSupply.

[B]Third Step.[/B]

Fix this switch at the backside of you Case...or any Other available Place...

[IMG]http://i726.photobucket.com/albums/ww262/Cobran32/5.gif[/IMG]

Enjoy your Home made Cheap Fan controller....Which Can be Switch on 5V or12v depending on your Need...

[B]Here are my experimental Pics:)...Hope you Like it...[/B]

[IMG]http://i726.photobucket.com/albums/ww262/Cobran32/1-1.jpg[/IMG] Things Required for the Controller!

[IMG]http://i726.photobucket.com/albums/ww262/Cobran32/2-1.jpg[/IMG] Putting it in System!

[IMG]http://i726.photobucket.com/albums/ww262/Cobran32/3-1.jpg[/IMG] The Switch at the back Side of Case.

[B] Video of the Controlling the Fan Real Time![/B]
[video=youtube;VyYJIsbsS98]http://www.youtube.com/watch?v=VyYJIsbsS98[/video][/QUOTE]