Display NHD-C12864WO-B1TFH#-M contrast options.

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1 comment

  • Alee_S

    Hi Craig,

    The main mechanism for controlling and adjusting the contrast is through the external resistor network as labeled on the wiring diagram.
    The internal contrast control can be used to tune the contrast such as the electronic volume command, but this may not yield significant change in the contrast levels when compared to utilizing a potentiometer in the circuit for this particular display.
    As you pointed out, the ‘IRS’ pin for selecting the voltage level adjustment is not brought out to the user, however it may still be possible to apply the necessary voltage externally to VR while excluding adding the external resistor network, and it may be beneficial to test this in your design.

    Best,

    0

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