Thanks for the replies and the ideas.
I'm actually not using the white Opteks, but green and blue ones, which seem fairly efficient compared to other brands I saw. I'm controlling each color's brightness separately, so there are 4 strings of 6 LEDs. This means I can't wire all the anodes to the...
Hi,
I bought some LEDs for a project (not a flashlight) and (foolishly) didn't get them with a heatsink of any kind. I just got some Optek OVTL01LGA 1W emitters. I really want to avoid spending much more money and am unable to get metal-core PCB where I am, so I'd like to use what I've got, if...