I’ve been busy with work stuff so not had chance to do a great deal on this but I’m back on it! @amal I’ll contact you on the weekend. I did plan on doing a full-on video but anything I’ve got camera wise just doesn’t deal with bright LEDs very well, no matter what settings I play with. Also I can’t be spending too much time on film production. Just a couple of things to optimise but it is basically there. Flags seems to be the theme! As I’ve a fair selection of LEDs I did try a rainbow version but the let down is the purple. Well you’re in UV territory really and they ain’t particularly bright given the constraints of the available harvested energy.