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  1. S

    RJ45 network card to IR

    Hello, the advantage is the wireless anand the limitation is the distance range.
  2. S

    RJ45 network card to IR

    The infrared diode is not biased. When no infrared signal come on it, the voltage at the input of the filter is 5V. When infrared signal come on it, the voltage at the input of the filter is -5V. When the infrared signal oscillates, because the data transmission is an oscillating signal (up to...
  3. S

    RJ45 network card to IR

    The batteries are used to convert the infrared signal into electric signal. Of course, the electric signal is alternative. The filter lets pass only the good frequency. But it has other ways to do that. We can use only the voltage source of the computer's power supply. We have to use the red...
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