Screen Brightness

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  • #4114
    kjacobs
    Participant

    Is there a way to adjust the brightness of the PiScreen? I'm using it for a clock beside my bed and it's very bright in a dark room. I know there's a binary on/off setting in software and hardware but I was looking for something variable.

    #4116
    Mark Williams
    Keymaster

    GPIO 22 is used for the backlight and it is possible to make the TFT dim using PWM.

    Try this

    git clone https://github.com/mwilliams03/pi-blaster.git
    cd pi-blaster/
    make
    sudo ./pi-blaster 22
    echo "0=.5" > /dev/pi-blaster
    echo "0=1" > /dev/pi-blaster

    Mark --OzzMaker.com --

    #4122
    kjacobs
    Participant

    great! thank you very much!

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