oh, i see what you mean. thanks!
Type: Posts; User: spooky3369
oh, i see what you mean. thanks!
What I did here is subtract power source voltage (7.4v) to the forward voltage of the LED (3.47v for the blue)
Can some one please help me double check my computation for the RESISTOR.
I'm planning to make a rebuild, instead of having one LED I'll be using Tri Cree XP-E2 CopperNova - Blue/Blue/White for...