Please I want help ):

Discussion in 'General Electronics Chat' started by xooxoxo, Feb 1, 2010.

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  1. xooxoxo

    Thread Starter New Member

    Nov 19, 2009
    2
    0
    Please I want Know how calculating this circuit?
    I don't want just values :(
    I want mode calculate This components.
    Thank you

    120 & 240Vac LED Voltage Indicator light

    http://www.redcircuits.com//Page110.htm
     
  2. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    The circuit is unsafe, and cannot be made safe unless a transformer is used to step down mains power.

    We do not support discussion of unsafe circuits on this site. We are very safety conscious.
     
  3. bertus

    Administrator

    Apr 5, 2008
    15,648
    2,347
    Hello,

    As SgtWookie told you, go for a circuit with an isolation by the means of a transformer.

    Greetings,
    Bertus
     
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