to clear up any misunderstandings, I am using the lm317 to deliver a constant current to the leds.
Here is another example, from http://led.linear1.org/a-cheap-current-regulated-luxeon-star-driver-design/,of a constant current circuit for a 1w led:
to clear up any misunderstandings, I am using the lm317 to deliver a constant current to the leds.
Here is another example, from http://led.linear1.org/a-cheap-current-regulated-luxeon-star-driver-design/,of a constant current circuit for a 1w led: