Start and stop running 5vdc motor

Discussion in 'General Electronics Chat' started by minh, Apr 28, 2014.

  1. minh

    Thread Starter Member

    Nov 24, 2010
    24
    1
    Dear all..
    Please give or show me to find an schema circuit for start and stop running after once turn(round) of 5vdc great motor.Thank you
    in advance for your help.
     
  2. inwo

    Well-Known Member

    Nov 7, 2013
    2,435
    315
    You will need a switch or sensor at the stop position.

    What type of switch do you prefer?
     
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  3. wayneh

    Expert

    Sep 9, 2010
    12,154
    3,061
    Another approach would be to use a stepper motor.
     
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  4. MaxHeadRoom

    Expert

    Jul 18, 2013
    10,570
    2,380
    It looks like a right angle G.B. and DC motor, it depends on how accurate you need the positioning, some G.B. run-on due to inertia, if this is a problem, you could open circuit the motor leads and shunt them in order to use the brake effect at turn off.
    Max.
     
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  5. Dodgydave

    AAC Fanatic!

    Jun 22, 2012
    5,003
    745
    you need a cam on the gear drive that will push a microswitch.
     
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  6. minh

    Thread Starter Member

    Nov 24, 2010
    24
    1
    @ inwo ; wayneh; MaxHeadRoom. Dodgydave
    Dear all, thank you for yours time help me . with
    yours point I have used a cam on the gear drive that will push a microswitch and an on off on.. (hex inverter cmos )circuit.
    Thank you again to all four
     
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