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Air suddenly nervous. Their slogan is open revenge of the propaganda car, with big trumpet in everyw..
In April 69, the case sentence led torch Five students won punishment, and death, a President George..
There is much more concerned with how to distinguish the P4 Q5 levels of the LED flashlight. Here i..
LED flashlight light color analysis In addition to the luminous efficiency and an important paramet..
The core of the general is very fragile, direct exposure to the surface will directly affect the ser..
Conclusion it is as follows 1, if want to long shots ability caliber big is the only solution 2, l..
As the development of the future led flashlight people care about most is the brightness, and as a m..
Chaos to the extreme of leaps high school in 1961, run by the end of last term city bureau of educat..
17 to 21 years old, is the age of the germinating youth. I often find that his books many a few piec..
This life is the only member of my flashlight in the class can only after the girls-in the eye face ..
Her eyes is actually told me everything, no matter is the only at ordinary times in flashlight class..
In the twin peaks of the support we immediately back to school in advance, closed began, after that ..
Efficiency refers to the input and output of between efficiency. Because of the loss of the existenc..
The man-machine interface, now LED flashlight circuit of the switch is basically the hige to realize..
Now on the market have different features of various LED torch circuit, said the next I can think of..
This function in mainland China now produces of LED flashlight has not been considered. Better solut..
LED (semiconductor) lighting products including LED flashlight including LED tactics application pro..
Can say 7135 circuit is the simplest and most stable and most classic circuit, without any external ..
Remove 3454 famouser synchronous rectifier outside the rise and fall of voltage circuit and the TPS6..
The circuit drive current directly determine the LED flashlight work power, my understanding is not ..
The above XM-L the brightness of 300 nita, it is to point to in the air in the observed brightness, ..
Lithium battery voltage is special, if a complete discharge, directly will scrap, cannot be in charg..
The most simple LED drive circuit of LED flashlight is the resistance of the current limit way, this..
But now there is a big power LED, we can often see 1W, 2W, 3W, and even 5W, 7W flashlight, the LED h..
The dark and send MM home, you magic kind change out from your hand a light. That is to make her fee..
Life is often dull, but a hobby can have happiness. For example, some people like to take photos, so..