Smart Blind Stick Using Arduino Pdf

The ldr is connected with a resistor of value 10k to form a potential divider and the difference in. Smart blind stick project using arduino and sensors. The ultrasonic sensor is powered by 5v and the trigger and echo pin is connected to arduino nano pin 3 and 2 as shown above.

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This arduino board is small enough to install on a regular stick and has buzzer ldr sensor ultrasonic sensor and a water detector sensor interfaced to it.

Smart blind stick using arduino pdf. The stick also has an rf receiver which connects with an rf transmitter that acts as a remote for finding the stick on missing. Using this smart blind stick a visually impaired person can walk without anyone s help. Code file is given in the link just download this file and upload to arduino. Smart blind stick project using arduino and sensors 35.

As we can see an arduino nano is used to control all the sensors. The smart blind stick automatically detects the obstacle in front of the person and give him a response to the person by vibrating the stick and also with a warning sound. Smart blind stick project report ppt. Obstacle detection is one of the major concerns for a fully or a partially blind person e g.

The stick uses ultrasonic sensors for obstacle detection. However if you are curious to know how the code works read further. Through this the blind person can aware about the obstacles in front of him. Person suffering from night blindness cataracts glaucoma albinism or injury.

The complete board is powered by a 9v battery which is regulated to 5v using a 7805 voltage regulator. The complete code used for this page can be found at the bottom of this page you can upload it directly to your arduino board. Smart blind stick using arduino pdf 33. The smart stick is built on arduino pro mini.

Once we are ready with our hardware we can connect the arduino to our computer and start programming. Smart blind stick using arduino code 34. Ultrasonic blind walking stick program code. Presented here is a smart stick using arduino uno.

In the code a library is used by the name ultrasonic h this library is not added in arduino by default. Arduino program for smart blind stick.

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