danrogers
Member
Hi all, I have some rgb leds to use, both superflux and standard 5mm leds. When I have made rgb arrays in the past I have allways used separate colour leds, and wired them in groups of 3 in series with either 180Ω or 270Ω resistors from 12v supply.
I tryed using a 380Ω or 470Ω im not too sure, to drop the voltage from 12v down to something near the foward voltage but the resistors were getting to hot and it seemed like an inefficient way of doing things.
My question is, how is it possible to wire up RGB leds in groups of three with common anodes? Maybe im being a bit dense but I cant think if it would be possible or not?
thanks in advance
I tryed using a 380Ω or 470Ω im not too sure, to drop the voltage from 12v down to something near the foward voltage but the resistors were getting to hot and it seemed like an inefficient way of doing things.
My question is, how is it possible to wire up RGB leds in groups of three with common anodes? Maybe im being a bit dense but I cant think if it would be possible or not?
thanks in advance