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Question about a dc motor

Discussion in 'Sensors and Actuators' started by Christian Keith, Jan 21, 2016.

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  1. Christian Keith

    Christian Keith

    Jan 21, 2016
    I am going to be using a small dc motor for a project. I need to be able to turn the switch on and I'd like for the motor to run for about 5 seconds and pause for about 15 seconds and repeat automatically. What do I need to use to achieve this?
  2. Externet


    Aug 24, 2009
    You need a timer integrated circuit set to that 1:3 duty cycle and 20 seconds time on square wave and a transistor or relay driven by it to energize the motor.
  3. BobK


    Jan 5, 2010
    With the transistor or relay being optional if the current the motor draws is <200mA and you use an NE555 chip.

    hevans1944 likes this.
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