555 timer ics any servo control

Discussion in 'The Projects Forum' started by Lord-awesome, Mar 18, 2018.

  1. Lord-awesome

    Thread Starter New Member

    Mar 18, 2018
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    I want to make the circuit useing 2 555 timer ics any servo control diagram i have ever copied from the internet doesnt work. My book (practical electronics for inventors) shows the same bad curcuit. I had to rely on my instincts which helped but i didnt get anything practical. All i need is a circuit that can move my servo -90 to 0 and 0 to 90 and back with a few buttons. Can you help me?
     
  2. ScottWang

    Moderator

    Aug 23, 2012
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    987
    Servo valve or motor and the specification?
     
  3. ericgibbs

    Moderator

    Jan 29, 2010
    5,991
    1,132
    hi La,
    Please post your web copied circuit, we maybe able to fix it.
    E
     
  4. Lord-awesome

    Thread Starter New Member

    Mar 18, 2018
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    This is just one of the many i have tryed
     
  5. Lord-awesome

    Thread Starter New Member

    Mar 18, 2018
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  6. Alec_t

    AAC Fanatic!

    Sep 17, 2013
    8,755
    2,021
    Welcome to AAC!
    Perhaps this will meet your needs.
    ServoPulser.PNG
     
  7. MaxHeadRoom

    Expert

    Jul 18, 2013
    16,226
    4,763
    Qualify 'Servo' it means different things to different people.
    There are RC servo's and Motion control servo's which are typically controlled totally differently!
    Max.
     
  8. Lord-awesome

    Thread Starter New Member

    Mar 18, 2018
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    Rc servos
     
  9. Lord-awesome

    Thread Starter New Member

    Mar 18, 2018
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    What app or website did you use the build and test this diagram? It will come in handy for me latter and i could save a few ic's im going to try it now
     
  10. ScottWang

    Moderator

    Aug 23, 2012
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  11. Lord-awesome

    Thread Starter New Member

    Mar 18, 2018
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    I didnt work i flolowed the diagram as is
     
  12. Lord-awesome

    Thread Starter New Member

    Mar 18, 2018
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    It just makes loud squeaking noises and i dosent move
     
  13. Lord-awesome

    Thread Starter New Member

    Mar 18, 2018
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    Its an sg90 nothing special on the data sheet
     
  14. Lord-awesome

    Thread Starter New Member

    Mar 18, 2018
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    Nvm it moves just one way
     
  15. Colin55

    Member

    Aug 27, 2015
    486
    45
    The circuit above has been copied from my website and is an old circuit
    Here is an update:

    ServoTester.gif
     
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