obstructal sensor help plz

[Ryan]

can any one tell me a sensor which can detect obstrucal i tried wiht IR but is not effeictive an neither give a rang … plz help

[sohan]

obstacle detector sensor TSOP 1738 can be use

[Nitish Rai]

u can also use led with LDR and also sonar but it is much more expansive……….. 

[dagakshay]

you can also use GDP sharp sensors or ultrasonic sensors

[ZOBI]

u can use ultrasonic range finder SRF04 of “DEVANTECH”

 

or ultrasonic range finder “PING”

[Author]

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