Published:2012/8/26 22:50:00 Author:Ecco | Keyword: Brightness adjustment , visible brightness sensor | From:SeekIC
It only needs to change duty cycle of PWM (pulse width modulation) signal, the backlight brightness can be adjusted to suit individual needs. PWM signal voltage range is 3. 3V.
Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Basic_Circuit/Brightness_adjustment_circuit_with_visible_brightness_sensor_LX1970.html
Print this Page | Comments | Reading(3)
Code: