Can any one plz help me i have to run 100 LEDs that i have to run using the arduino .The arduino has only 5 v from the analoge so how could i power up the LEDs with out losing the presise flashing rate and light intensity. the flashes are milli seconds appart.
I am growing algae for CO2 metigation using LEDs as light sourse.
dont know much electronics but can tinker and read if you point me in the right direction.
the LEDs are in serise right now and i am running 10 LEDs at present