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How to increase voltage from 2v to 12v?

Discussion in 'General Electronics Discussion' started by syaf921, Dec 21, 2012.

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  1. syaf921


    Dec 21, 2012
    i have problem with my circuit which the output is 2v only to connect with a relay 12v.
  2. duke37


    Jan 9, 2011
    Please give more information.

    Is the 2V just a signal or is it a power supply?
    Do you have 12V available to drive the relay?
    What current does the relay take?
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