Rustic Engineering

My Mind working on…

Obstacle detection circuit

with 9 comments

In any robot design, obstacle avoidance is a very important part of design. I was planning to make my own sumo robot, and i think that the object (or oponent) perception can be done with the fabulous LM567C – Tone Decoder. The circuit can be seen below:


The circuit worked perfectly in my breadboard. Over the next few days I will make a pcb. See it:

Object detection circuit


Written by forrequi

November 19, 2007 at 00:22

Posted in electronic

Tagged with ,

9 Responses

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  1. […] Original post by forrequi […]

  2. Eventually, an issue that I am ardent about. I have looked for information of this topic for the last several hours. Your site is greatly valued.

    Zaida Parcel

    December 22, 2009 at 21:15

  3. Thank you! Hope you get lucky now!


    November 5, 2010 at 18:52

  4. Hi, pls i need your help.
    In your project i’ve noted some changes from the electrical and pratical scheme (es.PIN 4 used for led modulation instead the 5)
    Can you tell me what’s the final configuration used?

    Many thanks in advance


    November 5, 2010 at 19:58

    • Hi Lemorlenny,

      I think you made a little mistake (and the photo don’t help so much…).

      See my Flikr photos again and pay attention on notes. I’ve added more notes to show where the resistors are connected.


      Rodrigo Forrequi

      November 5, 2010 at 22:50

  5. Thanks for your reply Rodrigo.

    My bad, I wanted to write too quickly!
    At this momemt i’m without 2N3904 and the LPT80A, i tried other similar component without success, tomorrow i’ll go to find it. (all capacitors are .1uF and 1uF right?)

    Thank you


    November 6, 2010 at 01:50

  6. Do it!
    and it work very well!

    Many thanks.


    November 7, 2010 at 00:52

  7. This works very well. Thank you..


    June 8, 2013 at 03:26

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