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It is well known that visually impaired people use their hearing sense to compensate for their reduced eyesight. For instance, they can recognize sound sources. This project includes a RF transmitter and receiver section. Receiver Section is on the Blind stick. It has been observed many times that it is very hard for blind persons to find out their stick. In this project we will solve this problem by implementing a voice processor on the blind stick. At the same time, we will implement the ultrasonic rays to detect the obstacles. Whenever an object comes closer to the specific range, then it generates a voice. A smoke sensor is used to detect the smoke. It will help the blink to protect blind person against the fired zones
Blind Stick With Ultrasonic