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Thread: power supply for line following robot

  1. #11
    Senior Member T-1000 akshay66's Avatar
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    This is easy you can use 9v with 7805 for microcontroller.For motors i think you should go for lithium ions.Lead acid are powerful but have a lot of weight.Lithium ion has less weight but performance i less.12v 2000mAH would be ideal for line follower.

    Regards Akshay,
    Redefine it your way!!!!

  2. #12

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    psu_5v.gif
    is this the 7805 regulator circuit for line follower



    can u tell me how to configure the potentiometer for the op-amp
    Last edited by jeetbuz; 12-29-2009 at 04:02 PM.

  3. #13
    Senior Member T-1000 akshay66's Avatar
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    Yes, this circuit can be used.
    Please tell me where are you using op-amp & why.You don't actually need an op-amp for line follower but as we know there are many ways of doing one thing.

    Regards Akshay,
    Redefine it your way!!!!

  4. #14

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    this is the ckt i am using
    Attached Images Attached Images

  5. #15
    Senior Member T-1000 akshay66's Avatar
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    Hi all,
    There are 3 pins in a pot.You have to leave the center pin.Take the first pin and short it with positive & the third with negative.This is it.

    Regards Akshay,
    Redefine it your way!!!!

  6. #16

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    If your motors are not power hungry and with some excellent board design for the microcontroller, you can use the same battery for powering both the motors and the microcontroller. If you are using 12V then you will be wasting a lot of power in the process of converting 12V to 5V. If power wastage is not a problem for you, use the same battery for both.

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