Home > Robotics > LINE TRACKER

LINE TRACKER


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One of my robot was a Line Tracker. I made it with Abhishek, Bimal, and Kartik. We finished it just within 6 hours.The circuit diagram is given below:

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List of Parts: Quantity
TIP 122 (transistors) :2
IC 7805 (voltage controller) :1
Relay :2
Resistors( 68 ohm) :2
Resistors( 470 ohm) :2
IR LED (transmittors) :2
Photo Diode(receivers) :2
capacitors(pf 224) :1
capacitor(cj 104) :1
D.C. Motors(300 rpm,geared) :2
Battery(6 volt,3.2 A) :1
Here is the link for the programmed line follower:
www.seas.upenn.edu/~ese111/robot/Robot.html
http://www.NeedEarn.com/aft/6d499211.html

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Categories: Robotics
  1. April 5, 2008 at 2:58 pm

    Its the simplest circuit of a line tracker i have ever seen!
    more over its very efficient and gives excellent results.
    just try it once since it is also very cheap.
    the cost including motors woutld be around 500 Rs. only.

  2. rishi
    November 6, 2009 at 6:12 am

    nice, i just entered my engg. & intrested in building a linefollower. i dont know its circuit & programming can u help me

  3. November 6, 2009 at 10:03 am

    Well its not necessary to build a programmable line follower when you are making it for the first time. You can try making it with the above circuit, and if u don’t understand anything in the circuit feel free to ask.

    And may I know your purpose of building the line tracker???

  4. Srinivas
    December 25, 2009 at 8:15 am

    hi !!!!!!!!!!
    m doin b.tech II 2 sem
    m intersted in doin these type of projects can u help me
    the above given circuit diagram is not clear can u mail it me which one is clear

  5. January 11, 2010 at 2:43 pm

    Hi Srinivas

    Thank you very much for your interest in this blog. And really sorry for the late reply.

    I will surely post the better diagram here and even mail it to you, as soon as I get some time from curriculum.

  6. mohini
    March 14, 2010 at 8:47 am

    hi…m very much interested in doing this line follower robot..so plz giv me schemetic for this but programmed..coz i know microcontroller somewhat…so i request u to plz help me reguarding this plz provide full diagram n also obstacle sensing….plz help me…as soon as possible…

  7. March 14, 2010 at 11:08 am

    @ mohini

    Which microcontroller you are using?

  8. vipul
    August 11, 2010 at 1:21 pm

    hi !!!!!!!!!!
    m doin be 3rd sem
    m intersted in doin these type of projects can u help me
    the above given circuit diagram is not clear can u mail it me which one is clear

  9. ragul
    December 3, 2010 at 8:53 am

    can u mail the circuit,it is difficult for me as i am a begginer! am dng my BE n II yr…..

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