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  • Kaustubh Katdare

    Kaustubh Katdare

    @thebigk • Jan 6, 2012

    Thread moved to new thread in electrical & electronics engineering section.

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  • PraveenKumar Purushothaman

    PraveenKumar Purushothaman

    @praveenkumar-66Ze92 • Jan 7, 2012

    You can very well use IR Sensors... We had made one Obstacle Detector using two IR Sensors kept in either side.

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  • PraveenKumar Purushothaman

    PraveenKumar Purushothaman

    @praveenkumar-66Ze92 • Jan 7, 2012

    Please see more on a tutorial on how to make IR Obstacle detector sensors... #-Link-Snipped-#

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  • Harshad Italiya

    Harshad Italiya

    @harshad-ukH5ww • Jan 7, 2012

    One more option is Ultrasonic module. You can use ultrasonic transmitter and receiver for the same purpose. 😀

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  • zaveri

    zaveri

    @zaveri-5TD6Sk • May 26, 2012

    how about proximity sensors ?

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  • Anilsoumya

    Anilsoumya

    @anilsoumya-mtSfFQ • May 26, 2012

    ir sensor is very good option

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