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Discussion in 'Electronic Basics' started by Rick, Mar 2, 2004.

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  1. Rick

    Rick Guest

    My apologies for a dumb question but electronics ain't my thing.

    I have purchased some LEDs c/w resistors. Do I connect the resistor in
    parallel with the LED and is there a right or wrong way round for the

  2. Gareth

    Gareth Guest

    The resistor goes in SERIES with the LED. It does not matter which way
    round the resistor goes.


  3. Rick

    Rick Guest

    Thanks Gareth,
    D/Q 2. So I should connect it between the positive terminal and the positive
    side of the LED?

  4. Gareth

    Gareth Guest


    The resistor can go between the LED and the positive supply, or between
    the LED and the negative supply, it makes no difference (obviously the
    LED must be the right way round though).


  5. Rick

    Rick Guest

    Thanks Gareth,


  6. resistor LED (cathode or flat spot to the right)
    + o----/\/\/\----|>|------o -

    You gave no indication of what value the resistors are. With a single
    value, you are limited to a certain maximum voltage for that LED's
    maximum rated current.
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