CiferTech
Published © GPL3+

Radar or Sonar - Which One Is Correct?

Build your sonar at home!

IntermediateFull instructions provided1,733
Radar or Sonar - Which One Is Correct?

Things used in this project

Hardware components

Ultrasonic Sensor - HC-SR04 (Generic)
Ultrasonic Sensor - HC-SR04 (Generic)
×1
Arduino Nano R3
Arduino Nano R3
×1

Software apps and online services

Arduino IDE
Arduino IDE
Processing
The Processing Foundation Processing

Story

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Schematics

bandicam_2019-07-06_03-30-31-948_Yhyu4szDhQ.jpg

Code

Untitled file

C/C++
#include <Servo.h>. 

const int trigPin = 10;
const int echoPin = 11;

long duration;
int distance;
Servo myServo; 
void setup() {
  pinMode(trigPin, OUTPUT); 
  pinMode(echoPin, INPUT); 
  Serial.begin(9600);
  myServo.attach(12); 
}
void loop() {

  for(int i=15;i<=165;i++){  
  myServo.write(i);
  delay(30);
  distance = calculateDistance();/
  
  Serial.print(i); 
  Serial.print(","); 
  Serial.print(distance); 
  Serial.print("."); 
  }

  for(int i=165;i>15;i--){  
  myServo.write(i);
  delay(30);
  distance = calculateDistance();
  Serial.print(i);
  Serial.print(",");
  Serial.print(distance);
  Serial.print(".");
  }
}

int calculateDistance(){ 
  
  digitalWrite(trigPin, LOW); 
  delayMicroseconds(2);

  digitalWrite(trigPin, HIGH); 
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH); 
  
  distance= duration*0.034/2;
  return distance;
}

Credits

CiferTech
41 projects • 156 followers
I'm known as Cifer. I'm an Electronic, Embedded sys, Robotic, IoT Engineer - PCB Designer.

Comments

Related channels and tags
  • The Processing Foundation