Can you manually edit peripheral LED colours?

Daniel Lecoq

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May 1, 2015
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I just purchased a low-end gaming mouse (Trust GXT 155). Trust's software leaves a lot to be desired in terms of customisation and the scroll whell LED colour cannot be changed. According to Trust this is because it serves as a "profile indicator" (from Trust's FAQ page):

"The scroll wheel LED is linked to the 5 profiles that are available.
Yellow = Profile 1
Green = Profile 2
Blue = Profile 3
Purple = Profile 4
Red = Profile 5
For information on setting up profiles, please refer to the manual."

My assumption is that, could you only open the profile.pfd file you could edit the hex colour code for the scroll wheel and set it to whichever colour you like (within the limitations of the LED).
The .pfd file is a mess in Notepad and while it opens in a Hex editor I'm not really sure what to do with it.
Has anyone tried anything similar? Any suggestions? Would be kinda cool to figure it out :)
Cheers, Dan
 

JalYt_Justin

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Jun 12, 2017
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This is an offbrand mouse and it's entirely possible that those LEDs are not capable of doing full-spectrum RGB. They probably saved on price by having only basic colors attached to the LEDs themselves. It is definitely possible to edit the code and make the software recognize it as different colors, but there's also no saying what color that will actually turn out to be on that mouse. This is mostly speculation though.
 

Daniel Lecoq

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May 1, 2015
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That's what I thought which is why I said "within the limitations of the LED" but the only way to find out would be to test it, or alternatively open up the mouse :p