Brightness adjusting circuit diagram composed of LX1970 visible brightness sensor

Published:2011/5/2 22:15:00 Author:Ecco | Keyword: Brightness adjusting , visible brightness sensor | From:SeekIC

Brightness adjusting circuit is shown as the chart. Adjusting PWM (pulse width modulation) signal duty cycle, you can adjust the backlight brightness to suit individual needs. PWM signal voltage amplitude is 3.3V.



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