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    • In the design, if you need to adjust the brightness of the LED, how can you achieve LED brightness adjustment?

    * Question

    In the design, if you need to adjust the brightness of the LED, how can you achieve LED brightness adjustment?


    *     Answer

    (1) Analog adjustment.

    (2) Digital adjustment.

    (3) Adjust the LED brightness by dividing the two GPIO ports and two Resistorss into 6 levels.


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