Robotic car using 8951 Microcontroller

Robotic Car is a miniature prototype car powered by batteries whose various movements can be control either manually or automatically, or the combination of both.  Here the command is given through keyboard; it would have been better if we used IR remote control or something of that kind rather than using keyboard for commanding. However, by realizing the complexities we have made simple using keyboard.

Block diagram of the project:
Block diagram of the project:

Some photographs of this model:

Robotic car model
Robotic car model
Robotic car model
Robotic car model

Project Description:

Keyboard section:

There are six switches in this section. They are

  1. Turn left.
  2. Turn right.
  3. Stop.
  4. About turn.
  5. Park left.
  6. Park right.

Circuit diagram of keyboard is shown bellow.

Keyboard circuit of the Robotic car
Keyboard circuit of the Robotic car

Car section:

There are many sub sections in this section. They are

Motor:

We are using a 5V dc motor to drive the vehicle. The speed of the vehicle and its strength is controlled by the proper use of pulley. The rear wheel of the vehicle is connected to this motor through a pulley. This motor is meant for moving the vehicle both in forward and backward direction. Microcontroller (8051) controls the forward and backward movement of the vehicle in the following manner:

Circuit diagram of Motor connection
Circuit diagram of Motor connection

Here in the above circuit, T1, T2, T3, T4 are the NPN power transistor (2N3055). A0, A1, A2, A3 are the signals coming from the micro controller. With the specific combination of A0, A1, A2, A3 we can change the direction of rotation of motor as follows:

Case I: When   A0=high; A3=high; & A1=low; A2=low
The motor rotates in clockwise direction

Case II:
When   A0=low; A3=low; & A1=high; A2=high
The motor rotates in anti-clockwise direction

Case III:
When   A0=low; A3=low; A1=low; A2=low
The motor stops the rotation.

Editorial Team
Editorial Team

We are a group of young techies trying to provide the best study material for all Electronic and Computer science students. We are publishing Microcontroller projects, Basic Electronics, Digital Electronics, Computer projects and also c/c++, java programs.

498 thoughts on “Robotic car using 8951 Microcontroller

  1. hey!!!! this project is cool… wat abt making it remote controlled… can you please send the details…

  2. hey!!!!!!
    hi!!!!!
    i want to do this project so can u send me all the required details
    please….
    all the details like circuit diag,code n all the details
    thanks…

  3. sir,
    i am interested in doing this project will you mail me the complete details of the project

  4. sir,
    i am interested in doing this project..can u mail me the complete
    details??..please…

  5. i m very much interested in doing this project… can u plz mail me the details of this project.. plz…

  6. hey this project is very demanding … can u send full paper details with abstract along wit it as early as possible :-]

  7. I want all details of this Robotic car using 8951 Microcontroller project.
    so plz forward it…

  8. i m very much interested in doing this project… can u plz mail me the details of this project.. plz…

  9. sir,
    I am searching project for my graduation course . And your project
    really really touch me . could u send me detail of this Projects
    Like circuit diagram , codding etc . please inform me.
    Regarded
    Babu

  10. Hi i am an engineering student and i want to do some mini projects. i have sen
    your project its really nice, could you please send me all the details of this projectt

  11. Hi i am an engineering student and i want to do some mini projects. i have sen
    your project its really nice, could you please send me all the details of this projectt

  12. Hi i am an engineering student and i want to do some mini projects.
    your project its really nice, could you please send me all the details

  13. Hi i am an engineering student and i want to do some mini projects.
    could you please send me all the details

  14. hiiiiiiiii sir i am an engineering student.iwant to do dis mini project so please mail me the usage of dis project(robotic car)

  15. hiiiiiiiii sir i am an engineering student.iwant to do dis mini project so please mail me the usage nd complete description of dis project(robotic car)

  16. sir i m an engineering student.. ur project is awesome.i m interested in doin it ,plz mail me all the
    details

  17. i will be oblized if you can kindly send me the detailed circuit diagram and programming of the above project.. looking forward to a positive response.
    thanking you
    sincerely
    faruk bin poyen

  18. please send the details(circuits and circuit operation) of the RC car
    project using microcontroller

  19. sir,ur project is awesome.i m
    interested in doin it
    plz send me its circuit dia. And ckt operation inculuding assembly language programming….
    Thank you.

  20. the project is really interesting. can u pls mail me the complete circuit diagram, pcb layout and the asm code for it. plssssssss

  21. robo car using 8951 is really interesting. plz send me the complete circuit diagram,assembly language coding and its operation. thanks in advance.

  22. sir,ur project is awesome.i m
    interested in doin it
    plz send me its circuit dia. And ckt operation inculuding assembly language programming….

  23. sir..i found this project to be helpful in our course of study..we need it badly..will you be kind enough to send me more details of it?

  24. Hi i am an teacher student technic from indonesia and i want to do some mini projects.
    your project its really nice, could you please send me all the details

  25. hiiiiiii
    can u please send me the circuit diag and every detail
    required to make this project

  26. I just bought a 2-bedroom house, but I think I get to decide how many bedrooms there are, don’t you? “Fuck you, real estate lady! This bedroom has an oven in it! This bedroom’s got a lot of people sitting around watching TV. This bedroom’s over in that guy’s house! Sir, you have one of my bedrooms, are you aware? Don’t decorate it!”

  27. HI
    Will u please send me the details of the above project like circuit diagram,source code and all.
    please send as early as possible

  28. pls send me as soon as possible the details of this project,,,….
    i liked it very much n i want to start working on it…

  29. hi….d project s nice…i need some more details lik circuit diagram and codding etc.
    can u send me d details as soon as possible

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