I have just bought 5 of these 3W High-Power LEDs
I could drive them off batteries direct ....
...however i would prefer to feed them with a "constant" but adjustable (350mA-750mA) current.
What would be the simplest circuit i could use ?.....
.... and would there be a way to PWM them?.
3W High-Power White (6000-7000K) 130 Lumens - 140 deg