help pls... - Electronic Circuits Projects Diagrams Free

Anushya · 14th March 2008, 05:59 PM

hi friends,
i have done a project the electronic guard for blind...it is a circuit that can be fitted on to the walking stick of the blind.it works perfectly well.but the infra red dual sensor which i used has a maximum sensing capacity of 1 inch...HO -4R.so i feel this circuit would be of no use to the blind cos before the sensor senses the obstacle the stick would go and hit the obstacle...so can u give me a idea about any othe sensor which has a wider detecting range?

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14th March 2008, 05:59 PM	(permalink)
Anushya	help pls... hi friends, i have done a project the electronic guard for blind...it is a circuit that can be fitted on to the walking stick of the blind.it works perfectly well.but the infra red dual sensor which i used has a maximum sensing capacity of 1 inch...HO -4R.so i feel this circuit would be of no use to the blind cos before the sensor senses the obstacle the stick would go and hit the obstacle...so can u give me a idea about any othe sensor which has a wider detecting range?