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Thank you Brian and BradtheRad for your answers, I appreciate. Ok, I will use a MOSFET, that's a good idea. Here are the specs for the first LED I mentionned in my first post:
160 lumens at 350 mA
Vf = 5.2~5.3 V
Low input voltage (5.6VDC)
For the light intensity, I may have to increase the...
I have to build a device where a circuit will flash a high brightness white LED. The flash frequency and intensity will be controlled by a PIC microcontroller. The frequency will vary from 1 to 12 Hz and the intensity will be controlled using PWM. The microcontroller part is not a problem: one...
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