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MAX3243E LED display

Kai Hsiao
Guru 12675 points

Dear Sir 

If we would like to add LED to blink when the data transmission

Do you have any idea about which solution could do that 

  • 0
    TI__Guru*** 140026 points

    Kai,

    There are a few ways to do this. This solution is simple and doesn't load the line much.

    When there is no data, the TX/RX line will be either be 0V or some negative voltage.

    This lights when there is positive voltage which should only happen on RX/TX line during data flow.