Introduction: Smart Blind Walking Stick Using Arduino

Picture of Smart Blind Walking Stick Using Arduino

needed materials

*arduino uno
*ultrasonic sensor HCSR-04
*A low voltage buzzer
*A vibrating motor, it just cost 50rs., for India money






wiring the smart walking stick

*First connect the ultrasonic sensor
++VCC -5v
++GND-GND
++ECHO -D11

*Now buzzer
++positive -D7
++negative-GND

To find positive and negative,long side is positive and the other is negative

*Now the vibrating motor
++pin1-D7
++pin2-GND

*CONNECT the power source (battery ? 9volt)

++Dc male power Jack, that is connect the negative directly to the ? ++toggle switch pin2-to Dc male power Jack, positive. that is

positive at one and the opposite the wire from the battery


Step 1:

Step 2:

Step 3:

const int triggerPin=7;
const int echoPin=8;
int duration=11;
int distance=11;
void setup() {
Serial.begin(9600);
pinMode(triggerPin,OUTPUT);
pinMode(echoPin,INPUT);



}

void loop() {
digitalWrite(triggerPin,HIGH);
delay(5);
digitalWrite(triggerPin,LOW);

distance=(duration/2)/74;
delay(500);

Serial.print(distance);
Serial.printIn("inches");
}



this is the coding

Step 4:

Comments

muhesh kanna (author)2017-02-28


code engappa...

const int triggerPin=7;

const int echoPin=8;
int duration=11;
int distance=11;
void setup() {
Serial.begin(9600);
pinMode(triggerPin,OUTPUT);
pinMode(echoPin,INPUT);



}

void loop() {
digitalWrite(triggerPin,HIGH);
delay(5);
digitalWrite(triggerPin,LOW);

distance=(duration/2)/74;
delay(500);

Serial.print(distance);
Serial.printIn("inches");
}

kartikRAO (author)2017-01-12

where is the code.......

ThunderHawk7 (author)kartikRAO2017-10-14

const int triggerPin=7;
const int echoPin=8;
int duration=11;
int distance=11;
void setup() {
Serial.begin(9600);
pinMode(triggerPin,OUTPUT);
pinMode(echoPin,INPUT);



}

void loop() {
digitalWrite(triggerPin,HIGH);
delay(5);
digitalWrite(triggerPin,LOW);

distance=(duration/2)/74;
delay(500);

Serial.print(distance);
Serial.printIn("inches");

}