Overclocked
Member
What is the best way to power a LED under the following conditions?
a) Where Battery Life is of Most concern and LEDs are at moderate brightness
b) Where battery life is not of concern (or infinite) and you want the maximum brightness from a LED.
c) Where Battery life is of concern but you want the Max Britghtness from the LED's while conversing battery life.
Or, Which is better for powering White LEDs under condition C.
1) PWM
2) Just Using Resistors
3) Boost Converter
4) Constant Current Source
I want to re do my flashlight, but I want it to be efficient yet get the most brightness. This time instead of a 9V, I am going to use 6 AAA Batteries in series (Some where Ive read AAA's have a capacity of 2200mAh) to get 9V. Or just use two 9v in parallel to get more current.
a) Where Battery Life is of Most concern and LEDs are at moderate brightness
b) Where battery life is not of concern (or infinite) and you want the maximum brightness from a LED.
c) Where Battery life is of concern but you want the Max Britghtness from the LED's while conversing battery life.
Or, Which is better for powering White LEDs under condition C.
1) PWM
2) Just Using Resistors
3) Boost Converter
4) Constant Current Source
I want to re do my flashlight, but I want it to be efficient yet get the most brightness. This time instead of a 9V, I am going to use 6 AAA Batteries in series (Some where Ive read AAA's have a capacity of 2200mAh) to get 9V. Or just use two 9v in parallel to get more current.