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modem lights

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  • andrewyslee
    Hi, Anybody knows where to get a circuit that will enable an LED to light up and/or blink when a pin on the serial/parallel port is recieving/sending signal
    Message 1 of 1 , Jul 16, 2002
      Hi,

      Anybody knows where to get a circuit that will enable an LED to light
      up and/or blink when a pin on the serial/parallel port is
      recieving/sending signal just like those blinking lights in a modem?

      Thanks in advance.

      andrew
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