Blind Hat Helper

This device will help blind people be able to know if objects are in front of them.

Nov 26, 2019

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human welfare

Components and supplies

Arduino UNO

Solderless Breadboard Half Size

Ultrasonic Sensor - HC-SR04 (Generic)

Buzzer

Male/Male Jumper Wires

Project description

Code

The Code To The Helping Hat

c_cpp

This is code that sends out a short pulse of noise from the distance sensor and waits to hear how long it takes to come back. It also has an if-else statement witch will sound a Pizzo if an object gets too close.

1
2// defines pins numbers
3const int triger = 9;
4const int echo  = 10;
5const int Pizzo = 8;
6const int Threshold = 45;
7// defines variables
8long  duration;
9int distance;
10void setup() {
11pinMode(triger, OUTPUT); // Sets  the trigPin as an Output
12pinMode(echo, INPUT); // Sets the echoPin as an Input
13pinMode(Pizzo,  OUTPUT);
14Serial.begin(9600); // Starts the serial communication
15}
16void  loop() {
17// Clears the trigPin
18digitalWrite(triger, LOW);
19delayMicroseconds(2);
20//  Sets the trigPin on HIGH state for 10 micro seconds
21digitalWrite(triger, HIGH);
22delayMicroseconds(10);
23digitalWrite(triger,  LOW);
24// Reads the echoPin, returns the sound wave travel time in microseconds
25duration  = pulseIn(echo, HIGH);
26// Calculating the distance
27distance= duration*0.034/2;
28//  Prints the distance on the Serial Monitor
29Serial.print("Distance: ");
30Serial.println(distance);
31
32if(distance  <= Threshold)
33tone(Pizzo, 1500);
34
35else
36noTone(Pizzo);
37
38}
39

// defines pins numbers
const int triger = 9;
const int echo  = 10;
const int Pizzo = 8;
const int Threshold = 45;
// defines variables
long  duration;
int distance;
void setup() {
pinMode(triger, OUTPUT); // Sets  the trigPin as an Output
pinMode(echo, INPUT); // Sets the echoPin as an Input
pinMode(Pizzo,  OUTPUT);
Serial.begin(9600); // Starts the serial communication
}
void  loop() {
// Clears the trigPin
digitalWrite(triger, LOW);
delayMicroseconds(2);
//  Sets the trigPin on HIGH state for 10 micro seconds
digitalWrite(triger, HIGH);
delayMicroseconds(10);
digitalWrite(triger,  LOW);
// Reads the echoPin, returns the sound wave travel time in microseconds
duration  = pulseIn(echo, HIGH);
// Calculating the distance
distance= duration*0.034/2;
//  Prints the distance on the Serial Monitor
Serial.print("Distance: ");
Serial.println(distance);

if(distance  <= Threshold)
tone(Pizzo, 1500);

else
noTone(Pizzo);

}

Downloadable files

Schismatics To Helping Hat

Just the schematics to the project :>

Schismatics To Helping Hat

Just the schematics to the project :>

Schismatics To Helping Hat

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