Quote Originally Posted by Phoenix67 View Post
Try adding a voltage regulator IC (ex, 7805 - 7805 datasheet(1/1 Pages) ETC | THREE-TERMINAL POSITIVE VOLTAGE REGULATOR IC) instead of resistor. Putting the IC on an aluminum heatsink will also help in prolonging the life of the IC.
terminal 1 is from the 12volts positive
terminal 2 is to ground return
terminal 3 is to LED positive terminal

am i correct?