[SOLVED] Asus aura and Cooler Master ML240R RGB

[hassann4s]

Hello
I am planning on buying Cooler Master ML240R RGB.
My asus motherboard only contain 4 pin header and not the 3 pin addressable header.
Will the syncing works if I connect the controller to my 4 pin header?

 

[Aeacus]

Sadly, the technologies are different between the two and you can't combine them.

On the regular +12V RGB header (4-pin), all LEDs of a primary color (R, G, B) are chained together and act simultaneously depending on the input signal. This makes individual LED addressing impossible.

Pinout:
pin #1 - +12V
pin #2 - G (green color)
pin #3 - R (red color)
pin #4 - B (blue color)

On the +5V RGB header (3-pin), there is LED driver IC for each RGB LED package that translates the serial information coming in through the data pin into a specific output for that LED package it is attached to. That method makes single LED addressing possible.

Pinout:
pin #1 - +5V
pin #2 - data
pin #3 - empty (no pin)
pin #4 - ground

Plugging the 3-pin RGB connector to the 4-pin RGB header fries the LEDs since you'd be feeding more than twice the voltage to them (12V vs 5V). And even if the addressable LEDs somehow survive the initial power up, there's no data pin in the 4-pin RGB header to control the LEDs.

 

[hassann4s]

just to make sure that you got my question, I meant connecting the ml240r to the controller, and connecting the controller to the motherboard (since the controller have a motherboard 4 pin port).
see number 12 in this picture to understand https://imgur.com/a/ZfP62Fy

 

[Aeacus]

Well, you failed to state that your fan RGB controller also has 4-pin RGB header. And my understanding was that it only has 3-pin RGB header.

In any event, if you connect the 4-pin RGB MoBo Port with your MoBo 4-pin RGB header then you can control your fans via Aura Sync just fine.