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    • Roger JohnsonRoger Johnson
      Participant
      @eagle22
      2023-02-01 at 10:52
      Post count: 3
      #3781

      Hi,

      we have a STWI035WT-01 (black PCB).

      1) Is it TTL level or RS-232 level?

      2) In the manual it shows there are resistors to switch between TTL or RS-232. But on the PCB there are no resistors anywhere. How do we change it?

      Thank you

    • bowei zhangbowei zhang
      Participant
      @zbw3366
      2023-02-13 at 14:06
      Post count: 62
      #3850

      Please provide the photos

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