The stock driver in some flashlights already has an Atmel. For a battery operated circuit the LED driver could be simply in the form of a current controller stage, because here voltage regulation is not important and can be eliminated. An observation that I have noticed is that the 4 SMD resistors that seem to be in parallel (R750) are the ones that get the hottest in the entire circuit and already have a roasted whole. Of course you will need a flashlight driver circuit board first. I just got a flashlight with a Cree XHP 70.2 chip (please confirm me if the chip is not fake) and since I am very maniacal and I like to trick everything, I have had some questions.ġ- If I paint the interior area, where the LED is allocated, with a paint that has a reflective effect or something, like aluminum foil, and that this paint acts as a reflector, would it increase the output lumens a little more?Ģ- In the photos of the driver that I attach below, how could I modify it to further increase the output current? Because in my opinion this driver does not take full advantage of the LED.
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