ALAT BANTU MOBILITAS UNTUK TUNA NETRA BERBASIS ELEKTRONIK

- Subandi

Sari


Seeing sense is one of human vital information sources. So, it is not exaggerative to say that most of information obtained by human being is derived from seeing sense, while the rest information comes from other senses. As the result, if someone has some problem in his seeing sense, his activity will be extremely limited because he will get less information than that with normal seeing sense. Human eyes can see many things, know surrounding condition, and distinguish an object in term of shape, colour, and so on.

With the advance in technology, a tool using ultrasonic wave to detect an object can be made. This ultrasonic wave will be transmitted and the signal hitting an object will be reflected. The reflected signal will be receive by a receiver to be processed by a microcontroller. The microcontroller will control and process it, and then produce a piece of information about the distance of the object with the receiver.

 

Keywords: ultrasonic wave, object, distance.


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Referensi


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