Smart Blind Stick Using Arduino Pdf

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.

Smart blind stick using arduino pdf.

Smart blind stick project report ppt. Obstacle detection is one of the major concerns for a fully or a partially blind person e g. Using this smart blind stick a visually impaired person can walk without anyone s help. 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.

Ultrasonic blind walking stick program code. Smart blind stick using arduino code 34. The smart stick is built on arduino pro mini. 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 project using arduino and sensors. Smart blind stick project using arduino and sensors 35. The stick also has an rf receiver which connects with an rf transmitter that acts as a remote for finding the stick on missing. The stick uses ultrasonic sensors for obstacle detection.

Through this the blind person can aware about the obstacles in front of him. The complete board is powered by a 9v battery which is regulated to 5v using a 7805 voltage regulator. As we can see an arduino nano is used to control all the sensors. Presented here is a smart stick using arduino uno.

Once we are ready with our hardware we can connect the arduino to our computer and start programming. The ldr is connected with a resistor of value 10k to form a potential divider and the difference in. Smart blind stick using arduino pdf 33. 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.

Person suffering from night blindness cataracts glaucoma albinism or injury. However if you are curious to know how the code works read further.