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Thread: help needed with sensors..

  1. #1

    Default help needed with sensors..

    hi...
    I'm an amateur in robotics.. currently doing a wall follower robot. my query is what type of sensors should i go for.. i have thought of ir sensors. is there ny better options.. the wall will not be farther than 4-5 cms at any time..any suggestions will be greatly appreciated.. thanx..

  2. #2
    Administrator T-1000 rao's Avatar
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    Default

    yup IR would be cheap and good..

    Rao

  3. #3

    Default

    use a TSOP1738 with a IR LED with ic555 to generate the frequency on the led

  4. #4

    Default

    if you want simple then go for LED+LDR combination range abt 2cm
    IRLED+Photo diode gives distance about 5-7cm
    38KHz IR+TSOP gives about 1m
    Sonar greater than 3m

    so choose according to ur budget and requirement
    More explanation see
    MY EXPERIENCE IN AUTONOMOUS ROBOTICS
    get it from yahoogroup-booksbybibin


    Bibin John
    www.bibinjohn.tk

  5. #5

    Default ir sensors

    you can use ir reflective sensors with 3 pin ir receiver
    siemens sfh5110
    see my articles in efy mag

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