I am wondering if there is a photometer/colormeter sensor that would be easily plugged into a raspberry pi. I am looking at driving my Philips HUE from the exterior light color, to brighten my apartment with very natural colors. Any help highly appreciated
There is a lot of sensors you could use. The only restriction is that they can not be analog devices since RaspberryPi does not have analog to digital converters (unless you use some external A/D chip, which isn't that hard).