tbelo1

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  • NHD-0420D3Z-FL-GBW-V3 Backlight

    1. Community
    2. Character LCDs

    Hi, I'm using the NHD-0420D3Z-FL-GBW-V3 using I2C and 5V 5A power supply. I also use the command 0x53 to set backlight contrast to maximum. My problem is that sometimes (about 5%) when I power on t...

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