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Thread: Ultrasound board questions.....?

  1. #1

    Question Ultrasound board questions.....?

    Just a few questions as im a beginner to all of this stuff......
    1) do i need a resistor for this sound board?
    2) if i dont need a resistor for it, can i run my led through it?
    3) can i run it off the same battery pack as my led?

  2. #2

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