Building an LED light for a 30 l aquarium
I wasn’t really happy with the light which comes with my 30 l aquarium. But I have a lot of white 3 W LED laying around. So we will build a new LED light for the aquarium. Bill of material 3x Aluminium heatsink for 4 x 3 W LEDs 1x Constant current source 11-20W 350mA … Read more Building an LED light for a 30 l aquarium