Smart Blind Stick Using Arduino Uno

An ultrasonic sensor hcsr04.

Smart blind stick using arduino uno.

Person suffering from night blindness cataracts glaucoma albinism or injury. However if you are curious to know how the code works read further. Presented here is a smart stick using arduino uno. The technology can indeed neutralize human disability.

With this in mind let us use the power of arduino and simple sensors to build a blind man s stick that could be a lifesaver for visually impaired persons. The stick uses ultrasonic sensors for obstacle detection. The complete board is powered by a 9v battery which is regulated to 5v using a 7805 voltage regulator. Arduino program for smart blind stick.

An ultrasonic sensor will be installed in a stick which will sense the distance of a person from any obstacle an ldr to. 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. Once we are ready with our hardware we can connect the arduino to our computer and start programming.

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. A third eye for the visually impared people. 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. 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. This smart stick can help blind people walk on the street safely without any help. The stick also has an rf receiver which connects with an rf transmitter that acts as a remote for finding the stick on missing.

As we can see an arduino nano is used to control all the sensors.