GOGGLES FOR BLIND

 The working principle of this gadget is based in echolocation principle. The 

ultrasonic sensor emits the ultrasound waves rapidly. Id any object come in front of the 

blind people it will give signal to microcontroller , microcontroller activate the buzzer 

and vibrator.This is perfect indication so blind people can easily identify any objects in 

front of them.



Blindness may result from a disease, injury or other conditions that limit vision. Legal 

blindness means that a person has vision that measures 20/200 or worse, explains the Iowa 

Department for the Blind. For example, someone with 20/200 vision sees an object from 20 

feet that a person with perfect 20/20 vision is able to see from 200 feet. Knowing the challenges 

blindness creates may help sighted people understand what blind people face each day.

People with complete blindness or low vision often have a difficult time self-navigating 

outside well-known environments. In fact, physical movement is one of the biggest challenges 

for blind people, explains World Access for the Blind. Traveling or simply walking down a 

crowded street may pose great difficulty. Because of this, many people with low vision will 

bring a sighted friend or family member to help navigate unknown environments.

As well, blind people must learn every detail about the home environment. Large 

obstacles such as tables and chairs must remain in one location to prevent injury. If a blind 

person lives with others, each member of the household must diligently keep walkways clear 

and all items in designated locations.

So our project help the poor blind people. They no need to spend much more 

just by 200 to 300 bucks they can buy this Goggles and live their life better than before.

COMPONENTS USED

1) ARDUINO 

2) BLACK GOGGLES

3) VIBRATOR

4) BUZZER

5) ULTRASONIC SENSOR

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