digital output of power supply

Discussion in 'The Projects Forum' started by usmanali45, Apr 7, 2010.

  1. usmanali45

    Thread Starter New Member

    Mar 3, 2010
    12
    0
    hellow dears
    i made a power supply (0-15v) and now i want its digital output which is voltmeter with digital output ,
    give me some idea how i make such voltmeter and how i attach this with power supply.
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
  3. usmanali45

    Thread Starter New Member

    Mar 3, 2010
    12
    0
    thanks
    please tell me the purpose of using ic 7660, why we use this .
     
  4. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
    the 7660 IC is used as a voltage inverter to create the -5v supply from the +5v supply.
    If you have +5v and -5v available already, you do not need the 7660 IC.
     
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