in order to make the system more versatile, an anti-theft alarm is also incorporated to warn the user if the stick is being stolen. It is known that in most of the visually challenged, the other sense organs are highly developed. That’s why the creators think the stick will effectively serve the purpose. They haven’t made any move to commercialise it. This device costs Rs.800.
Multiplexers are used to sense obstacles in different directions simultaneously. This means, the blind person might receive different signals on obstacles in different directions around him through the headphone. The moisture sensing electrodes sense the moist soil or stagnant water. This can be especially helpful during the rainy season. It also contains micro-switches, to detect manholes.
Manufacturing Capacity: Yes
Problem Scale: Grave
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