5mm round rgb led intelligent control truopto ost4ml5b32a this 5mm rgb led features an intelligent control function that enbales the led to be controlled precisely to give a desired light output the onboard ic uses cmos technology and the led can completely receive and decode data through a single wire multiple leds may be connected either in series or cascaded to enable the design of intricate lighting patterns truopto ost4ml5b32a 5mm rgb addressable led 6v 15ma diffused