360 RADAR using 2 ultrasonic sensor

360 radar

Sep 17, 2021

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embedded

internet of things

monitoring

Components and supplies

Jumper wires (generic)

Ultrasonic Sensor - HC-SR04 (Generic)

Arduino UNO

SG90 Micro-servo motor

Tools and machines

Hot glue gun (generic)

Apps and platforms

Arduino IDE

Processing

Project description

Code

Arduino code

arduino

1// https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g  //
2//  360 RADAR using 2 ultrasonic sensor //
3// By MOHD SOHAIL //
4
5
6#include  <HCSR04.h>
7#include <Servo.h>
8
9UltraSonicDistanceSensor distanceSensor(6,  7);             //Create the 1st sensor object
10UltraSonicDistanceSensor distanceSensor2(5,  4);             //Create the 2nd sensor object
11Servo servoMotor;            //Create  the Servo object
12
13int delayTime = 5;            //Delay value to wait for  the servo to reach the 1 angle difference
14long d;                 //Distance  from 1st sensor calculated
15long d2;                //Distance from 2nd sensor  calculated
16
17void setup() {
18  Serial.begin(9600);           //Initialize  the Serial communication at 9600 bauds
19
20  servoMotor.attach(2);         //Attach  the servo to the Digital PWM pin 2
21  servoMotor.write(180);        //Rotate the  servo to the 180?
22  delay(1000);              //Wait for the servo to reach 180?
23  servoMotor.write(0);          //Rotate the servo to the 0?
24  delay(1000);              //Wait  for the servo to reach 0?
25
26}
27
28void loop() {
29  for (int i = 1; i <  180; i++) {   //Move the Servo 180 degrees forward
30    readSensors();            //Read  the sensors
31    Serial.print(i);          //Print the angle
32    Serial.print(",");          //Print a ","
33    Serial.print(d);          //Print the 1st distance
34    Serial.print(",");          //Print a ","
35    Serial.println(d2);         //Print  the 2nd distance with end line
36    servoMotor.write(i);        //Set the sensor  at the angle
37    delay(delayTime);         //Wait for the servo to reach i?
38  }
39  for (int i = 180; i > 1; i--) {   //Move the Servo 180 degrees backward
40    readSensors();            //Read the sensors
41    Serial.print(i);          //Print  the angle
42    Serial.print(",");          //Print a ","
43    Serial.print(d);          //Print the 1st distance
44    Serial.print(",");          //Print  a ","
45    Serial.println(d2);         //Print the 2nd distance with end line
46    servoMotor.write(i);        //Set the sensor at the angle
47    delay(delayTime);         //Wait for the servo to reach i?
48  }
49}
50
51void readSensors()  {
52  d = distanceSensor.measureDistanceCm();
53  d2 = distanceSensor2.measureDistanceCm();
54}

// https://www.youtube.com/channel/UCaXI2PcsTlH5g0et67kdD6g  //
//  360 RADAR using 2 ultrasonic sensor //
// By MOHD SOHAIL //


#include  <HCSR04.h>
#include <Servo.h>

UltraSonicDistanceSensor distanceSensor(6,  7);             //Create the 1st sensor object
UltraSonicDistanceSensor distanceSensor2(5,  4);             //Create the 2nd sensor object
Servo servoMotor;            //Create  the Servo object

int delayTime = 5;            //Delay value to wait for  the servo to reach the 1 angle difference
long d;                 //Distance  from 1st sensor calculated
long d2;                //Distance from 2nd sensor  calculated

void setup() {
  Serial.begin(9600);           //Initialize  the Serial communication at 9600 bauds

  servoMotor.attach(2);         //Attach  the servo to the Digital PWM pin 2
  servoMotor.write(180);        //Rotate the  servo to the 180?
  delay(1000);              //Wait for the servo to reach 180?
  servoMotor.write(0);          //Rotate the servo to the 0?
  delay(1000);              //Wait  for the servo to reach 0?

}

void loop() {
  for (int i = 1; i <  180; i++) {   //Move the Servo 180 degrees forward
    readSensors();            //Read  the sensors
    Serial.print(i);          //Print the angle
    Serial.print(",");          //Print a ","
    Serial.print(d);          //Print the 1st distance
    Serial.print(",");          //Print a ","
    Serial.println(d2);         //Print  the 2nd distance with end line
    servoMotor.write(i);        //Set the sensor  at the angle
    delay(delayTime);         //Wait for the servo to reach i?
  }
  for (int i = 180; i > 1; i--) {   //Move the Servo 180 degrees backward
    readSensors();            //Read the sensors
    Serial.print(i);          //Print  the angle
    Serial.print(",");          //Print a ","
    Serial.print(d);          //Print the 1st distance
    Serial.print(",");          //Print  a ","
    Serial.println(d2);         //Print the 2nd distance with end line
    servoMotor.write(i);        //Set the sensor at the angle
    delay(delayTime);         //Wait for the servo to reach i?
  }
}

void readSensors()  {
  d = distanceSensor.measureDistanceCm();
  d2 = distanceSensor2.measureDistanceCm();
}

Processing code

java

1import processing.serial.*;
2import static javax.swing.JOptionPane.*;
3
4Serial  myPort;        // The serial port
5String serialin;
6int data[] = new int[360];
7PFont  f;
8
9final boolean debug = true;
10
11void setup() {
12  String COMx, COMlist  = "";
13  size(1280, 720);
14  f = createFont("Verdana", 32, true); // Arial,  16 point, anti-aliasing on
15  textFont(f, 20);
16  frameRate(60);
17  for (int  i = 0; i < 360; i++) {
18    data[i] = 0;
19  }
20  try {
21    if (debug) printArray(Serial.list());
22    int i = Serial.list().length;
23    if (i != 0) {
24      if (i >= 2) {
25        // need to check which port the inst uses -
26        // for now we'll  just let the user decide
27        for (int j = 0; j < i; ) {
28          COMlist  += char(j+'a') + " = " + Serial.list()[j];
29          if (++j < i) COMlist +=  ",  ";
30        }
31        COMx = showInputDialog("Which COM port is correct?  (a,b,..):\
32"+COMlist);
33        if (COMx == null) exit();
34        if (COMx.isEmpty())  exit();
35        i = int(COMx.toLowerCase().charAt(0) - 'a') + 1;
36      }
37      String portName = Serial.list()[i-1];
38      if (debug) println(portName);
39      myPort = new Serial(this, portName, 9600); // change baud rate to your liking
40      myPort.bufferUntil('\n'); // buffer until CR/LF appears, but not required..
41    } else {
42      showMessageDialog(frame, "Device is not connected to the  PC");
43      exit();
44    }
45  }
46  catch (Exception e)
47  { //Print  the type of error
48    showMessageDialog(frame, "COM port is not available (may\
49be  in use by another program)");
50    println("Error:", e);
51    exit();
52  }
53}
54
55
56void draw() {
57  background(26, 26, 36, 200);
58  textSize(18);
59  stroke(255, 255, 255, 150);
60  fill(255, 50, 200, 200);
61  text("Arduino  RADAR 2D Visualization", 20, 710);
62  text(hour(), 1050, 710);
63  text(":",  1075, 710);
64  text(minute(), 1085, 710);
65  text(":", 1110, 710);
66  text(second(),  1120, 710);
67  fill(36, 255, 100, 200);
68  strokeWeight(3);
69  circle(640,  360, 600);
70  circle(640, 360, 500);
71  circle(640, 360, 400);
72  circle(640,  360, 300);
73  circle(640, 360, 200);
74  circle(640, 360, 100);
75
76  for  (int i = 0; i < 360; i++) {
77    fill(255, 10, 255, 200);
78    stroke(50, 10,  255, 150);
79    point(float(640) +  (map_values(data[i]))*cos(radians(i)), float(360)  + (map_values(data[i]))*sin(radians(i)));
80  }
81
82  while (myPort.available()  > 0) {
83    serialin = myPort.readStringUntil(10);
84    try {
85      String  serialdata[] = splitTokens(serialin, ",");
86      if (serialdata[0] != null)  {
87        serialdata[0] = trim(serialdata[0]);
88        serialdata[1] = trim(serialdata[1]);
89        serialdata[2] = trim(serialdata[2]);
90
91        int i = int(serialdata[0]);
92        data[179-i] = int(serialdata[1]);
93        data[(179-i)+180] = int(serialdata[2]);
94      }
95    } 
96    catch (java.lang.RuntimeException e) {
97    }
98  }
99}
100
101float  map_values(float x) {
102  float in_min = 0, in_max = 200, out_min = 0, out_max  = 700;
103  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
104}

import processing.serial.*;
import static javax.swing.JOptionPane.*;

Serial  myPort;        // The serial port
String serialin;
int data[] = new int[360];
PFont  f;

final boolean debug = true;

void setup() {
  String COMx, COMlist  = "";
  size(1280, 720);
  f = createFont("Verdana", 32, true); // Arial,  16 point, anti-aliasing on
  textFont(f, 20);
  frameRate(60);
  for (int  i = 0; i < 360; i++) {
    data[i] = 0;
  }
  try {
    if (debug) printArray(Serial.list());
    int i = Serial.list().length;
    if (i != 0) {
      if (i >= 2) {
        // need to check which port the inst uses -
        // for now we'll  just let the user decide
        for (int j = 0; j < i; ) {
          COMlist  += char(j+'a') + " = " + Serial.list()[j];
          if (++j < i) COMlist +=  ",  ";
        }
        COMx = showInputDialog("Which COM port is correct?  (a,b,..):\
"+COMlist);
        if (COMx == null) exit();
        if (COMx.isEmpty())  exit();
        i = int(COMx.toLowerCase().charAt(0) - 'a') + 1;
      }
      String portName = Serial.list()[i-1];
      if (debug) println(portName);
      myPort = new Serial(this, portName, 9600); // change baud rate to your liking
      myPort.bufferUntil('\n'); // buffer until CR/LF appears, but not required..
    } else {
      showMessageDialog(frame, "Device is not connected to the  PC");
      exit();
    }
  }
  catch (Exception e)
  { //Print  the type of error
    showMessageDialog(frame, "COM port is not available (may\
be  in use by another program)");
    println("Error:", e);
    exit();
  }
}


void draw() {
  background(26, 26, 36, 200);
  textSize(18);
  stroke(255, 255, 255, 150);
  fill(255, 50, 200, 200);
  text("Arduino  RADAR 2D Visualization", 20, 710);
  text(hour(), 1050, 710);
  text(":",  1075, 710);
  text(minute(), 1085, 710);
  text(":", 1110, 710);
  text(second(),  1120, 710);
  fill(36, 255, 100, 200);
  strokeWeight(3);
  circle(640,  360, 600);
  circle(640, 360, 500);
  circle(640, 360, 400);
  circle(640,  360, 300);
  circle(640, 360, 200);
  circle(640, 360, 100);

  for  (int i = 0; i < 360; i++) {
    fill(255, 10, 255, 200);
    stroke(50, 10,  255, 150);
    point(float(640) +  (map_values(data[i]))*cos(radians(i)), float(360)  + (map_values(data[i]))*sin(radians(i)));
  }

  while (myPort.available()  > 0) {
    serialin = myPort.readStringUntil(10);
    try {
      String  serialdata[] = splitTokens(serialin, ",");
      if (serialdata[0] != null)  {
        serialdata[0] = trim(serialdata[0]);
        serialdata[1] = trim(serialdata[1]);
        serialdata[2] = trim(serialdata[2]);

        int i = int(serialdata[0]);
        data[179-i] = int(serialdata[1]);
        data[(179-i)+180] = int(serialdata[2]);
      }
    } 
    catch (java.lang.RuntimeException e) {
    }
  }
}

float  map_values(float x) {
  float in_min = 0, in_max = 200, out_min = 0, out_max  = 700;
  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}

Processing code

java

1import processing.serial.*;
2import static javax.swing.JOptionPane.*;
3
4Serial   myPort;        // The serial port
5String serialin;
6int data[] = new int[360];
7PFont   f;
8
9final boolean debug = true;
10
11void setup() {
12  String COMx, COMlist   = "";
13  size(1280, 720);
14  f = createFont("Verdana", 32, true); // Arial,   16 point, anti-aliasing on
15  textFont(f, 20);
16  frameRate(60);
17  for (int   i = 0; i < 360; i++) {
18    data[i] = 0;
19  }
20  try {
21    if (debug) printArray(Serial.list());
22     int i = Serial.list().length;
23    if (i != 0) {
24      if (i >= 2) {
25         // need to check which port the inst uses -
26        // for now we'll   just let the user decide
27        for (int j = 0; j < i; ) {
28          COMlist   += char(j+'a') + " = " + Serial.list()[j];
29          if (++j < i) COMlist +=   ",  ";
30        }
31        COMx = showInputDialog("Which COM port is correct?   (a,b,..):\
32"+COMlist);
33        if (COMx == null) exit();
34        if (COMx.isEmpty())   exit();
35        i = int(COMx.toLowerCase().charAt(0) - 'a') + 1;
36      }
37       String portName = Serial.list()[i-1];
38      if (debug) println(portName);
39       myPort = new Serial(this, portName, 9600); // change baud rate to your liking
40       myPort.bufferUntil('\
41'); // buffer until CR/LF appears, but not required..
42     } else {
43      showMessageDialog(frame, "Device is not connected to the   PC");
44      exit();
45    }
46  }
47  catch (Exception e)
48  { //Print   the type of error
49    showMessageDialog(frame, "COM port is not available (may\
50be   in use by another program)");
51    println("Error:", e);
52    exit();
53   }
54}
55
56
57void draw() {
58  background(26, 26, 36, 200);
59  textSize(18);
60   stroke(255, 255, 255, 150);
61  fill(255, 50, 200, 200);
62  text("Arduino   RADAR 2D Visualization", 20, 710);
63  text(hour(), 1050, 710);
64  text(":",   1075, 710);
65  text(minute(), 1085, 710);
66  text(":", 1110, 710);
67  text(second(),   1120, 710);
68  fill(36, 255, 100, 200);
69  strokeWeight(3);
70  circle(640,   360, 600);
71  circle(640, 360, 500);
72  circle(640, 360, 400);
73  circle(640,   360, 300);
74  circle(640, 360, 200);
75  circle(640, 360, 100);
76
77  for   (int i = 0; i < 360; i++) {
78    fill(255, 10, 255, 200);
79    stroke(50, 10,   255, 150);
80    point(float(640) +  (map_values(data[i]))*cos(radians(i)), float(360)   + (map_values(data[i]))*sin(radians(i)));
81  }
82
83  while (myPort.available()   > 0) {
84    serialin = myPort.readStringUntil(10);
85    try {
86      String   serialdata[] = splitTokens(serialin, ",");
87      if (serialdata[0] != null)   {
88        serialdata[0] = trim(serialdata[0]);
89        serialdata[1] = trim(serialdata[1]);
90         serialdata[2] = trim(serialdata[2]);
91
92        int i = int(serialdata[0]);
93         data[179-i] = int(serialdata[1]);
94        data[(179-i)+180] = int(serialdata[2]);
95       }
96    } 
97    catch (java.lang.RuntimeException e) {
98    }
99  }
100}
101
102float   map_values(float x) {
103  float in_min = 0, in_max = 200, out_min = 0, out_max   = 700;
104  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
105}

import processing.serial.*;
import static javax.swing.JOptionPane.*;

Serial   myPort;        // The serial port
String serialin;
int data[] = new int[360];
PFont   f;

final boolean debug = true;

void setup() {
  String COMx, COMlist   = "";
  size(1280, 720);
  f = createFont("Verdana", 32, true); // Arial,   16 point, anti-aliasing on
  textFont(f, 20);
  frameRate(60);
  for (int   i = 0; i < 360; i++) {
    data[i] = 0;
  }
  try {
    if (debug) printArray(Serial.list());
     int i = Serial.list().length;
    if (i != 0) {
      if (i >= 2) {
         // need to check which port the inst uses -
        // for now we'll   just let the user decide
        for (int j = 0; j < i; ) {
          COMlist   += char(j+'a') + " = " + Serial.list()[j];
          if (++j < i) COMlist +=   ",  ";
        }
        COMx = showInputDialog("Which COM port is correct?   (a,b,..):\
"+COMlist);
        if (COMx == null) exit();
        if (COMx.isEmpty())   exit();
        i = int(COMx.toLowerCase().charAt(0) - 'a') + 1;
      }
       String portName = Serial.list()[i-1];
      if (debug) println(portName);
       myPort = new Serial(this, portName, 9600); // change baud rate to your liking
       myPort.bufferUntil('\
'); // buffer until CR/LF appears, but not required..
     } else {
      showMessageDialog(frame, "Device is not connected to the   PC");
      exit();
    }
  }
  catch (Exception e)
  { //Print   the type of error
    showMessageDialog(frame, "COM port is not available (may\
be   in use by another program)");
    println("Error:", e);
    exit();
   }
}


void draw() {
  background(26, 26, 36, 200);
  textSize(18);
   stroke(255, 255, 255, 150);
  fill(255, 50, 200, 200);
  text("Arduino   RADAR 2D Visualization", 20, 710);
  text(hour(), 1050, 710);
  text(":",   1075, 710);
  text(minute(), 1085, 710);
  text(":", 1110, 710);
  text(second(),   1120, 710);
  fill(36, 255, 100, 200);
  strokeWeight(3);
  circle(640,   360, 600);
  circle(640, 360, 500);
  circle(640, 360, 400);
  circle(640,   360, 300);
  circle(640, 360, 200);
  circle(640, 360, 100);

  for   (int i = 0; i < 360; i++) {
    fill(255, 10, 255, 200);
    stroke(50, 10,   255, 150);
    point(float(640) +  (map_values(data[i]))*cos(radians(i)), float(360)   + (map_values(data[i]))*sin(radians(i)));
  }

  while (myPort.available()   > 0) {
    serialin = myPort.readStringUntil(10);
    try {
      String   serialdata[] = splitTokens(serialin, ",");
      if (serialdata[0] != null)   {
        serialdata[0] = trim(serialdata[0]);
        serialdata[1] = trim(serialdata[1]);
         serialdata[2] = trim(serialdata[2]);

        int i = int(serialdata[0]);
         data[179-i] = int(serialdata[1]);
        data[(179-i)+180] = int(serialdata[2]);
       }
    } 
    catch (java.lang.RuntimeException e) {
    }
  }
}

float   map_values(float x) {
  float in_min = 0, in_max = 200, out_min = 0, out_max   = 700;
  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}

Downloadable files

Circuit Diagram

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