Smart Blind Stick

A low-cost stick designed for blind people that enables them to walk without any assistance.

IntermediateFull instructions provided2 days12,830
Smart Blind Stick

Things used in this project

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Code

Energia Code for Smart Blind Stick

Arduino
Dtecting obstacle and sending alerts via app
const int trigPin = 37;
const int echoPin = 36;
const int buzzer = 23;
const int bt=10;
long duration;
int distance;
int safetyDistance;

void setup()
{
  Serial.begin(9600);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  pinMode(buzzer, OUTPUT);
  pinMode(bt,INPUT);
}

void loop()
{
    digitalWrite(trigPin, LOW);
    delayMicroseconds(2);
    digitalWrite(trigPin, HIGH);
    delayMicroseconds(10);
    digitalWrite(trigPin, LOW);
    duration = pulseIn(echoPin, HIGH);
    distance= duration*0.034/2;
    safetyDistance = distance;
    if (safetyDistance <= 50)
    {
        digitalWrite(buzzer, HIGH);
    }
    else
    {
        digitalWrite(buzzer, LOW);
    }
    if(digitalRead(bt)==HIGH)
    {
        Serial.println("a");
    }
    delay(400);
}

Credits

Dr. Umesh Dutta

Dr. Umesh Dutta

38 projects • 56 followers
Working as Director of Innovation Centre at Manav Rachna, India. I am into development for the last 12 years.
Texas Instruments University Program

Texas Instruments University Program

91 projects • 120 followers
TI helps students discover what's possible to engineer their future.
Energia

Energia

34 projects • 26 followers
Founder of @energiaproject
Ashwani

Ashwani

0 projects • 4 followers
Student at Manav Rachna University, exploring the world of computer science....
Aarzoo Kapoor

Aarzoo Kapoor

0 projects • 3 followers
sahiba kaur

sahiba kaur

0 projects • 1 follower
ria mittal

ria mittal

0 projects • 1 follower
devdutt

devdutt

10 projects • 9 followers
Robotic Gold Medalist at IIT Guwahati and Embedded,Hardware Developer at Manav Rachna Innovation and Incubation Centre

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