Quote Originally Posted by Kamikaze47 View Post
Ok, I just tried it with a 10 ohm resistor, so 340mA through the LED.

Just realised; if my math is right, you are *not* getting 340 mA thru' the LED with a 4.7K bias resistor; I would reduce that to 1 K; at the most 2.2 K.

Regards,

Anand