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3.3V <-> 5V

Discussion in 'Electronic Basics' started by Robert Monsen, Sep 2, 2003.

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  1. If you use a capacitor and a couple of voltage dividers, you can pass small
    signals between 3.3 and 5V. You can also do this with an optoisolation. Take
    a look at the following url:

    http://matthieu.benoit.free.fr/optoi2c.htm

    regards
    Bob Monsen
     
  2. Di'ego

    Di'ego Guest

    Hi,

    I need a bidirectional level converter to convert 3.3V to 5V. It has to be
    bidirectional as the signal is bidirectional. Im aware that IC's exist to
    do this, but I want to do it without any IC's. Can anyone give me any
    pointers on how to do this?

    Thanks in advance,
     
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