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  1. A

    Led display Digital Voltmeter question

    if I  use a rectifier to read a/c it goes to present an increase of 40 percent of the reading because of the rectification how can I  correct this ??? for example:220V/ac  goes to 308V/dc Sorry for the inglish! ;D 
  2. A

    Led display Digital Voltmeter question

    in the project of the digital voltmeter, it has some modification for reading in a/c? ???
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