Bi-Polar LED Driver

Discussion in 'Circuits' started by Admin, Apr 17, 2013.

  1. Admin

    Admin Administrator Staff Member

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    This thread is for the discussion of the Bi-Polar LED Driver circuit.
  2. Brandon L

    Brandon L New Member

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    Does 220R mean 220 Ohms?
  3. Fleck

    Fleck Member

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    Derbyshire
  4. wdog

    wdog New Member

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    hello

    can someone explain how this circuit works?

    thanks
  5. George

    George Moderator

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    The green led is being sourced by the timer and the red led is being sunk. That means the green is lete with +V from pin 3 of timer and red is lite with -V from pin 3. Does that make sense?