C MOHAN wrote:
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Sir

can i place led RGB in single line or i have to place in triangle fashion, what should be the distance between each led.

I haven't created any rgbs yet, but I believe it is a square formation, you have 4 leds, because of the extra colorcompensation-led. Furthermore It depends on how close you intend to look at it, the closer you are to it, the closer the leds should be!

somewhere in the interent i read for every RGB group one extra RED led should be added to componesate for color.

I found that information too, but it stated it was a green led! green burns less visible maybe?

can i take bmp file, split the image into RGB (three different picture each contain single color). First display RED image alone second Green alone, third Blue alone will this create full color.

That too should do the trick, as long as you cycle through your colors fast enough, otherwise not only your image would flicker, but so would your colors!

greets