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  • LVTTL

    Does the module need a logic shifter when interfacing to a Low Voltage TTL serial port?
    Is the logic 3.3v or 5v when a 5v supply is used?
    Thanks a lot for any answers.

  • #2


    It's 3.3v, but 5v tolerant. You shouldn't need a logic shifter for 3.3v
    Mark

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    • #3


      Thanks a lot, it was very helpful.

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