I want to mod LED powered by molex, What do i need. The last time i tried. direct LEDs to molex , all LEDs boom. wasted a lunch . So i want to know do i need a resistor? what ohm ?

Thanks karthyhu


Before you start you have to get some leds. I used blue leds with rating 3.5 volts and 20mA. Brightness is somewhere around 2000-3000 mcd. Resistor that is connected in series with the led is 100 ohms. This was the closest match that I could find from my toolbox. Needle is used to take the molex connectors apart.

You should look for 5 volt leds. With them you don't need to use a resistor and it makes the installation easier and faster to do.



It is best to use 3 mm leds in this mod. I only had 5 mm leds so I had to mod them a bit. Led on the left is filed so it can be fitted inside the molex connector. With 3mm led this step may not be needed.



Pins are kept in place with two claws. Bend them so that the pin is free to slide away from the connector. Just look inside the connector from the front side and you will see where to bend the claws.



There are three "wall" separating the pins from each other. Remove one of these walls either between 5 volt pin and the ground or between the two ground pins. I will be powering the led from the 5 volt line so these both choices work for me but if you are planning on using 12 volt line just remove the wall between 12 volt pin and the ground. To do the job faster I used Dremel with routing head. You can use side cutters or knife etc. Even if you place the led between those ground pins, you have to remember to get the power for the led from the five or 12 volt pin.



Ready to be fitted back inside the molex connector. Just bend those claws back a bit and slide the pins back in. You may hear a little click when the claws goes past the base of the connector and lock in place. After that I added some hot glue between the pins that are holding the led in place just to make it more secure.



Source

With these, who needs ccfls anymore

This post has been edited by chyu89: Sep 5 2008, 08:02 PM

Yo bro dunno whether this link would help u or not Molex Lights

what color of the LED you using?

Good thread.
I also tried connect direct to Molex Red Black.
Kaboom LED spoiled.
HELP

karthyhu Thanx a lot.
Ur link does help me

This post has been edited by muhdhafiz: Sep 4 2008, 01:46 AM

whatever LEDs ,those 80cents +. That day i boomed super bright LEDs

just use 330 ohm resister

This 1 is good, thanks .I'll redirect that page to here for others.

myb u can ask allngap for better led bro..iinm he got brighter one in small size

My uncle very powa!! his name is google

good thread... mayb 12 try tis mod later....

anyone can tell me what color 5volt pin? 12volt pin? and ground pin? anyone?

12v = yellow
5v = red
ground = black

thx dude...

where can i get LED & resistor in KL? eager 12 try tis mod... hehe

Jalan Pasar or order from this guy for LEDs http://forum.lowyat.net/topic/380683

hensemboy seems silent (senyap je..)... , did he sell led again??

wah nice...too bad my molex black colour

He's the only one .

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Added on September 6, 2008, 3:21 amNot necessary to put at molex. u can do a row of LEDs urself. I got 4 blue LEDs hanging at random places.

U got the concept, all u need is a lil innovative

This post has been edited by chyu89: Sep 6 2008, 03:21 AM

Off topic,

how bout led at performance fans?? how to do it?? the wiring system..hehe

wah, shud try this, twin ccfl lamp are lame and mahal . jusst a normal stick one.. we nid more like this. thanks for the tipc.

owh ya does it effect the performance of ur system?