Arduino Blind Stick

This smart stick can help blind people walk on the street safely without any help.

Apr 25, 2019

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100581 views

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24 respects

Components and supplies

Ultrasonic Sensor - HC-SR04 (Generic)

Buzzer

Solderless Breadboard Full Size

Arduino UNO

LED (generic)

Tools and machines

Tape, Scotch

Apps and platforms

Arduino IDE

Project description

Code

upload this code

c_cpp

it is in the C/C++ language

1/*
2 * make a smart stick that helps the Blind
3 */
4 #define trigPin  9
5 #define echoPin 8
6
7 #define Buzzer1 5//active
8 #define Buzzer2 7//passive
9  #define Led1 6//Vibration
10
11 
12int sound = 250;
13
14
15void setup() {
16  Serial.begin (9600);
17 pinMode(trigPin, OUTPUT);
18 pinMode(echoPin, INPUT);
19  pinMode(Buzzer1, OUTPUT);
20 pinMode(Buzzer2, OUTPUT);
21 pinMode(Led1, OUTPUT);
22}
23
24void  loop() {
25  Serial.begin(9600);
26
27  long duration, distance;
28  digitalWrite(trigPin,  LOW);
29  delay(2);
30  digitalWrite(trigPin, HIGH);
31  delay(10);
32  digitalWrite(trigPin,  LOW);
33  duration = pulseIn(echoPin, HIGH);
34  distance = (duration/2) / 29.1;
35  digitalWrite(Buzzer1, LOW);
36  digitalWrite(Buzzer2, LOW);
37  digitalWrite(Led1,  LOW);
38  
39  if (distance<40) {
40    digitalWrite(Led1, HIGH);
41    delay(2000);
42  }
43  if (distance<20) {
44    digitalWrite(Led1, HIGH);
45    delay(2000);
46    digitalWrite(Buzzer1, HIGH);
47    delay(2000);
48  }
49  if (distance<10)  {
50    digitalWrite(Led1, HIGH);
51    delay(2000);
52    digitalWrite(Buzzer1,  HIGH);
53    delay(2000);
54    digitalWrite(Buzzer2, HIGH);
55    delay(2000);
56  }
57  }
58
59

/*
 * make a smart stick that helps the Blind
 */
 #define trigPin  9
 #define echoPin 8

 #define Buzzer1 5//active
 #define Buzzer2 7//passive
  #define Led1 6//Vibration

 
int sound = 250;


void setup() {
  Serial.begin (9600);
 pinMode(trigPin, OUTPUT);
 pinMode(echoPin, INPUT);
  pinMode(Buzzer1, OUTPUT);
 pinMode(Buzzer2, OUTPUT);
 pinMode(Led1, OUTPUT);
}

void  loop() {
  Serial.begin(9600);

  long duration, distance;
  digitalWrite(trigPin,  LOW);
  delay(2);
  digitalWrite(trigPin, HIGH);
  delay(10);
  digitalWrite(trigPin,  LOW);
  duration = pulseIn(echoPin, HIGH);
  distance = (duration/2) / 29.1;
  digitalWrite(Buzzer1, LOW);
  digitalWrite(Buzzer2, LOW);
  digitalWrite(Led1,  LOW);
  
  if (distance<40) {
    digitalWrite(Led1, HIGH);
    delay(2000);
  }
  if (distance<20) {
    digitalWrite(Led1, HIGH);
    delay(2000);
    digitalWrite(Buzzer1, HIGH);
    delay(2000);
  }
  if (distance<10)  {
    digitalWrite(Led1, HIGH);
    delay(2000);
    digitalWrite(Buzzer1,  HIGH);
    delay(2000);
    digitalWrite(Buzzer2, HIGH);
    delay(2000);
  }
  }

Downloadable files

the schematic

first the ultrasonic sensor 2 buzzer Led should be attached to breadboard then we should connect these components to arduino by wires after that the circuit should be attached to a stick with a tape

the schematic

first the ultrasonic sensor 2 buzzer Led should be attached to breadboard then we should connect these components to arduino by wires after that the circuit should be attached to a stick with a tape

the schematic

Comments

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sakthibhuvaneshwari

5 months ago

I want full projects description and components required, circuit diagram

Anonymous user

2 years ago

Hi, may I have the full report of this project?(include abstract, scope, problem statement, introduction, literature review and others) I use this for my final year project, this report will help me a lot. anyone can help me? thanks a lot ya

Anonymous user

2 years ago

can i use arduino Yun for this project?

Anonymous user

2 years ago

can u email me the procedure?

Anonymous user

2 years ago

Can i buy yr project with that stick u have made as I need it for college project

Anonymous user

2 years ago

Hi! I'm trying to make this for a school project, but the buzzers don't make any noise. How can I fix it? Everything is connected just as the image and the code is the same Please help

hadi1234

2 years ago

yes and i used this code to my project and it had a succes

hadi1234

2 years ago

check the buzzers if they are not broken or try switching them i used this project as a school project and had a success i wish you the best

Anonymous user

2 years ago

Check the "+" and "-" if are connected the right way....and if you are using an active buzzer

Anonymous user

2 years ago

Hey, is there any way I can see the procedure for this project?

Anonymous user

2 years ago

Why 2 buzzers are used

Anonymous user

2 years ago

Im using this project as my mini project in college. Please help me out with this.

Anonymous user

3 years ago

Can i buy yr project with that stick u have made as I need it for college project

Anonymous user

3 years ago

Hi Hadi, May I request for the full documentation of this project? I would love to use your project and use as a sample project in our class

Anonymous user

4 years ago

Anonymous user

4 years ago

Im using this project as my mini project in college. Please help me out with this.

Anonymous user

4 years ago

Why 2 buzzers are used

Anonymous user

6 years ago

can i use arduino Yun for this project?

Anonymous user

6 years ago

can u email me the procedure?

LizethSolorio8

6 years ago

Hi! I'm trying to make this for a school project, but the buzzers don't make any noise. How can I fix it? Everything is connected just as the image and the code is the same Please help

Anonymous user

2 years ago

Hey, is there any way I can see the procedure for this project?

Anonymous user

2 years ago

Check the "+" and "-" if are connected the right way....and if you are using an active buzzer

hadi1234

2 years ago

check the buzzers if they are not broken or try switching them i used this project as a school project and had a success i wish you the best

hadi1234

2 years ago

yes and i used this code to my project and it had a succes

hadi1234

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Downloadable files