I use an Arduino emulating many nmra extended packet decoders controlling a string of ws2812 addressable leds. Each led is a searchlight signal that can display red green yellow blue lunar, flashing or solid. The physical signal construction is described here. http://nscaleaddiction.blogspot.ca/2012/01/cheap-simple-n-scale-signals-using.html.
A single arduino, depending on memory can control up to the maximum 2047 signal heads.
DCC Signal Accessory Decoder using an Arduino
in DCC Discussion Topics (not questions)
Posted
Hi
I use an Arduino emulating many nmra extended packet decoders controlling a string of ws2812 addressable leds. Each led is a searchlight signal that can display red green yellow blue lunar, flashing or solid. The physical signal construction is described here. http://nscaleaddiction.blogspot.ca/2012/01/cheap-simple-n-scale-signals-using.html.
A single arduino, depending on memory can control up to the maximum 2047 signal heads.
Steve G.