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Drive a sharp LCD by TOSHIBA chip

Discussion in 'Power Electronics' started by wiwiwi, Aug 29, 2019.

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  1. wiwiwi


    Aug 29, 2019
    Help Please,
    Now I have a sharp LCD (model: LS055T3SX05) and a TOSHIBA chip (TC358870XBG).
    But first of all, I want to light up the LCD. From what I read there are three pins (LED+, LED-, LED_PWM) related to backlight.
    I apply 5v to LED+ with 0v to LED-, for LED_PWM I am using the 3.3v blue pill (arduino) to produce pulse. However, Backlight is still not working......
    anyone can help? appreciated!!!!!
    upload_2019-8-29_18-27-54.gif upload_2019-8-29_18-27-54.gif
    Last edited by a moderator: Sep 11, 2019
  2. wiwiwi


    Aug 29, 2019
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