The full-color LED display brightness adjustment mode has two kinds of automatic adjustment and manual adjustment. Among them, the automatic adjustment is an intelligent adjustment of the brightness according to the ambient brightness adaptive, and the manual adjustment method is realized by software. So, is it useful to use software to adjust the brightness of the display?
The current software adjusts the brightness, which is generally 256-level adjustable. In fact, the software is just an operation interface. The final change of the software operation is the PWM duty cycle of the LED display driver to achieve the change of brightness.
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