Arduino Radar

1/*   Arduino Radar Project
2 *
3 *   Updated version. Fits any screen  resolution!
4 *   Just change the values in the size() function,
5 *   with  your screen resolution.
6 *      
7 *  by Dejan Nedelkovski, 
8 *  www.HowToMechatronics.com
9  *  
10 */
11import processing.serial.*; // imports library for serial communication
12import  java.awt.event.KeyEvent; // imports library for reading the data from the serial  port
13import java.io.IOException;
14Serial myPort; // defines Object Serial
15//  defubes variables
16String angle="";
17String distance="";
18String data="";
19String  noObject;
20float pixsDistance;
21int iAngle, iDistance;
22int index1=0;
23int  index2=0;
24PFont orcFont;
25void setup() {
26  
27 size (1920, 1080); // ***CHANGE  THIS TO YOUR SCREEN RESOLUTION***
28 smooth();
29 myPort = new Serial(this,"COM3",  9600); // starts the serial communication
30 myPort.bufferUntil('.'); // reads  the data from the serial port up to the character '.'. So actually it reads this:  angle,distance.
31 orcFont = loadFont("OCRAExtended-48.vlw");
32}
33void draw()  {
34  
35  fill(98,245,31);
36  textFont(orcFont);
37  // simulating motion  blur and slow fade of the moving line
38  noStroke();
39  fill(0,4); 
40  rect(0,  0, width, height-height*0.065); 
41  
42  fill(98,245,31); // green color
43  // calls the functions for drawing the radar
44  drawRadar(); 
45  drawLine();
46  drawObject();
47  drawText();
48}
49void serialEvent (Serial myPort) { // starts  reading data from the Serial Port
50  // reads the data from the Serial Port up  to the character '.' and puts it into the String variable "data".
51  data =  myPort.readStringUntil('.');
52  data = data.substring(0,data.length()-1);
53  
54  index1 = data.indexOf(","); // find the character ',' and puts it into  the variable "index1"
55  angle= data.substring(0, index1); // read the data  from position "0" to position of the variable index1 or thats the value of the  angle the Arduino Board sent into the Serial Port
56  distance= data.substring(index1+1,  data.length()); // read the data from position "index1" to the end of the data  pr thats the value of the distance
57  
58  // converts the String variables into  Integer
59  iAngle = int(angle);
60  iDistance = int(distance);
61}
62void drawRadar()  {
63  pushMatrix();
64  translate(width/2,height-height*0.074); // moves the starting  coordinats to new location
65  noFill();
66  strokeWeight(2);
67  stroke(98,245,31);
68  // draws the arc lines
69  arc(0,0,(width-width*0.0625),(width-width*0.0625),PI,TWO_PI);
70  arc(0,0,(width-width*0.27),(width-width*0.27),PI,TWO_PI);
71  arc(0,0,(width-width*0.479),(width-width*0.479),PI,TWO_PI);
72  arc(0,0,(width-width*0.687),(width-width*0.687),PI,TWO_PI);
73  // draws the  angle lines
74  line(-width/2,0,width/2,0);
75  line(0,0,(-width/2)*cos(radians(30)),(-width/2)*sin(radians(30)));
76  line(0,0,(-width/2)*cos(radians(60)),(-width/2)*sin(radians(60)));
77  line(0,0,(-width/2)*cos(radians(90)),(-width/2)*sin(radians(90)));
78  line(0,0,(-width/2)*cos(radians(120)),(-width/2)*sin(radians(120)));
79  line(0,0,(-width/2)*cos(radians(150)),(-width/2)*sin(radians(150)));
80  line((-width/2)*cos(radians(30)),0,width/2,0);
81  popMatrix();
82}
83void  drawObject() {
84  pushMatrix();
85  translate(width/2,height-height*0.074); //  moves the starting coordinats to new location
86  strokeWeight(9);
87  stroke(255,10,10);  // red color
88  pixsDistance = iDistance*((height-height*0.1666)*0.025); // covers  the distance from the sensor from cm to pixels
89  // limiting the range to 40  cms
90  if(iDistance<40){
91    // draws the object according to the angle and  the distance
92  line(pixsDistance*cos(radians(iAngle)),-pixsDistance*sin(radians(iAngle)),(width-width*0.505)*cos(radians(iAngle)),-(width-width*0.505)*sin(radians(iAngle)));
93  }
94  popMatrix();
95}
96void drawLine() {
97  pushMatrix();
98  strokeWeight(9);
99  stroke(30,250,60);
100  translate(width/2,height-height*0.074); // moves the starting  coordinats to new location
101  line(0,0,(height-height*0.12)*cos(radians(iAngle)),-(height-height*0.12)*sin(radians(iAngle)));  // draws the line according to the angle
102  popMatrix();
103}
104void drawText()  { // draws the texts on the screen
105  
106  pushMatrix();
107  if(iDistance>40)  {
108  noObject = "Out of Range";
109  }
110  else {
111  noObject = "In Range";
112  }
113  fill(0,0,0);
114  noStroke();
115  rect(0, height-height*0.0648, width,  height);
116  fill(98,245,31);
117  textSize(25);
118  
119  text("10cm",width-width*0.3854,height-height*0.0833);
120  text("20cm",width-width*0.281,height-height*0.0833);
121  text("30cm",width-width*0.177,height-height*0.0833);
122  text("40cm",width-width*0.0729,height-height*0.0833);
123  textSize(40);
124  text("Object: " + noObject, width-width*0.875, height-height*0.0277);
125  text("Angle:  " + iAngle +" �", width-width*0.48, height-height*0.0277);
126  text("Distance:  ", width-width*0.26, height-height*0.0277);
127  if(iDistance<40) {
128  text("        " + iDistance +" cm", width-width*0.225, height-height*0.0277);
129  }
130  textSize(25);
131  fill(98,245,60);
132  translate((width-width*0.4994)+width/2*cos(radians(30)),(height-height*0.0907)-width/2*sin(radians(30)));
133  rotate(-radians(-60));
134  text("30�",0,0);
135  resetMatrix();
136  translate((width-width*0.503)+width/2*cos(radians(60)),(height-height*0.0888)-width/2*sin(radians(60)));
137  rotate(-radians(-30));
138  text("60�",0,0);
139  resetMatrix();
140  translate((width-width*0.507)+width/2*cos(radians(90)),(height-height*0.0833)-width/2*sin(radians(90)));
141  rotate(radians(0));
142  text("90�",0,0);
143  resetMatrix();
144  translate(width-width*0.513+width/2*cos(radians(120)),(height-height*0.07129)-width/2*sin(radians(120)));
145  rotate(radians(-30));
146  text("120�",0,0);
147  resetMatrix();
148  translate((width-width*0.5104)+width/2*cos(radians(150)),(height-height*0.0574)-width/2*sin(radians(150)));
149  rotate(radians(-60));
150  text("150�",0,0);
151  popMatrix(); 
152}

1#include <Servo.h>
2const int trigPin=12;
3const int echoPin=11;
4long   duration;
5int distance;
6Servo s1;
7
8void setup() {
9  Serial.begin(9600);
10   pinMode(trigPin,OUTPUT);
11  pinMode(echoPin,INPUT);
12  s1.attach(9);
13}
14
15void   loop(){
16    for(int i=0;i<180;i=i+1){            
17        s1.write(i);
18         delay(30);
19        distance = calDist();
20        Serial.print(i);                       
21        Serial.print(",");                   
22        Serial.print(distance);               
23        Serial.print(".");                   
24     }
25     for(int i=180;i>0;i=i-1){  
26        s1.write(i);
27        delay(30);
28         distance = calDist();
29        Serial.print(i);
30        Serial.print(",");
31         Serial.print(distance);
32        Serial.print(".");
33    }
34}
35
36     int calDist(){
37       digitalWrite(trigPin, LOW);
38       delayMicroseconds(2);
39        digitalWrite(trigPin, HIGH);
40       delayMicroseconds(10);
41       digitalWrite(trigPin,   LOW);                                                     
42       duration =   pulseIn(echoPin, HIGH);                            
43       distance= duration*0.034/2;                   
44       return distance;
45}
46

1/*   Arduino Radar Project
2 *
3 *   Updated version. Fits any screen
4  resolution!
5 *   Just change the values in the size() function,
6 *   with
7  your screen resolution.
8 *      
9 *  by Dejan Nedelkovski, 
10 *  www.HowToMechatronics.com
11
12  *  
13 */
14import processing.serial.*; // imports library for serial communication
15import
16  java.awt.event.KeyEvent; // imports library for reading the data from the serial
17  port
18import java.io.IOException;
19Serial myPort; // defines Object Serial
20//
21  defubes variables
22String angle="";
23String distance="";
24String data="";
25String
26  noObject;
27float pixsDistance;
28int iAngle, iDistance;
29int index1=0;
30int
31  index2=0;
32PFont orcFont;
33void setup() {
34  
35 size (1920, 1080); // ***CHANGE
36  THIS TO YOUR SCREEN RESOLUTION***
37 smooth();
38 myPort = new Serial(this,"COM3",
39  9600); // starts the serial communication
40 myPort.bufferUntil('.'); // reads
41  the data from the serial port up to the character '.'. So actually it reads this:
42  angle,distance.
43 orcFont = loadFont("OCRAExtended-48.vlw");
44}
45void draw()
46  {
47  
48  fill(98,245,31);
49  textFont(orcFont);
50  // simulating motion
51  blur and slow fade of the moving line
52  noStroke();
53  fill(0,4); 
54  rect(0,
55  0, width, height-height*0.065); 
56  
57  fill(98,245,31); // green color
58
59  // calls the functions for drawing the radar
60  drawRadar(); 
61  drawLine();
62
63  drawObject();
64  drawText();
65}
66void serialEvent (Serial myPort) { // starts
67  reading data from the Serial Port
68  // reads the data from the Serial Port up
69  to the character '.' and puts it into the String variable "data".
70  data =
71  myPort.readStringUntil('.');
72  data = data.substring(0,data.length()-1);
73
74  
75  index1 = data.indexOf(","); // find the character ',' and puts it into
76  the variable "index1"
77  angle= data.substring(0, index1); // read the data
78  from position "0" to position of the variable index1 or thats the value of the
79  angle the Arduino Board sent into the Serial Port
80  distance= data.substring(index1+1,
81  data.length()); // read the data from position "index1" to the end of the data
82  pr thats the value of the distance
83  
84  // converts the String variables into
85  Integer
86  iAngle = int(angle);
87  iDistance = int(distance);
88}
89void drawRadar()
90  {
91  pushMatrix();
92  translate(width/2,height-height*0.074); // moves the starting
93  coordinats to new location
94  noFill();
95  strokeWeight(2);
96  stroke(98,245,31);
97
98  // draws the arc lines
99  arc(0,0,(width-width*0.0625),(width-width*0.0625),PI,TWO_PI);
100
101  arc(0,0,(width-width*0.27),(width-width*0.27),PI,TWO_PI);
102  arc(0,0,(width-width*0.479),(width-width*0.479),PI,TWO_PI);
103
104  arc(0,0,(width-width*0.687),(width-width*0.687),PI,TWO_PI);
105  // draws the
106  angle lines
107  line(-width/2,0,width/2,0);
108  line(0,0,(-width/2)*cos(radians(30)),(-width/2)*sin(radians(30)));
109
110  line(0,0,(-width/2)*cos(radians(60)),(-width/2)*sin(radians(60)));
111  line(0,0,(-width/2)*cos(radians(90)),(-width/2)*sin(radians(90)));
112
113  line(0,0,(-width/2)*cos(radians(120)),(-width/2)*sin(radians(120)));
114  line(0,0,(-width/2)*cos(radians(150)),(-width/2)*sin(radians(150)));
115
116  line((-width/2)*cos(radians(30)),0,width/2,0);
117  popMatrix();
118}
119void
120  drawObject() {
121  pushMatrix();
122  translate(width/2,height-height*0.074); //
123  moves the starting coordinats to new location
124  strokeWeight(9);
125  stroke(255,10,10);
126  // red color
127  pixsDistance = iDistance*((height-height*0.1666)*0.025); // covers
128  the distance from the sensor from cm to pixels
129  // limiting the range to 40
130  cms
131  if(iDistance<40){
132    // draws the object according to the angle and
133  the distance
134  line(pixsDistance*cos(radians(iAngle)),-pixsDistance*sin(radians(iAngle)),(width-width*0.505)*cos(radians(iAngle)),-(width-width*0.505)*sin(radians(iAngle)));
135
136  }
137  popMatrix();
138}
139void drawLine() {
140  pushMatrix();
141  strokeWeight(9);
142
143  stroke(30,250,60);
144  translate(width/2,height-height*0.074); // moves the starting
145  coordinats to new location
146  line(0,0,(height-height*0.12)*cos(radians(iAngle)),-(height-height*0.12)*sin(radians(iAngle)));
147  // draws the line according to the angle
148  popMatrix();
149}
150void drawText()
151  { // draws the texts on the screen
152  
153  pushMatrix();
154  if(iDistance>40)
155  {
156  noObject = "Out of Range";
157  }
158  else {
159  noObject = "In Range";
160
161  }
162  fill(0,0,0);
163  noStroke();
164  rect(0, height-height*0.0648, width,
165  height);
166  fill(98,245,31);
167  textSize(25);
168  
169  text("10cm",width-width*0.3854,height-height*0.0833);
170
171  text("20cm",width-width*0.281,height-height*0.0833);
172  text("30cm",width-width*0.177,height-height*0.0833);
173
174  text("40cm",width-width*0.0729,height-height*0.0833);
175  textSize(40);
176
177  text("Object: " + noObject, width-width*0.875, height-height*0.0277);
178  text("Angle:
179  " + iAngle +" �", width-width*0.48, height-height*0.0277);
180  text("Distance:
181  ", width-width*0.26, height-height*0.0277);
182  if(iDistance<40) {
183  text("
184        " + iDistance +" cm", width-width*0.225, height-height*0.0277);
185  }
186
187  textSize(25);
188  fill(98,245,60);
189  translate((width-width*0.4994)+width/2*cos(radians(30)),(height-height*0.0907)-width/2*sin(radians(30)));
190
191  rotate(-radians(-60));
192  text("30�",0,0);
193  resetMatrix();
194  translate((width-width*0.503)+width/2*cos(radians(60)),(height-height*0.0888)-width/2*sin(radians(60)));
195
196  rotate(-radians(-30));
197  text("60�",0,0);
198  resetMatrix();
199  translate((width-width*0.507)+width/2*cos(radians(90)),(height-height*0.0833)-width/2*sin(radians(90)));
200
201  rotate(radians(0));
202  text("90�",0,0);
203  resetMatrix();
204  translate(width-width*0.513+width/2*cos(radians(120)),(height-height*0.07129)-width/2*sin(radians(120)));
205
206  rotate(radians(-30));
207  text("120�",0,0);
208  resetMatrix();
209  translate((width-width*0.5104)+width/2*cos(radians(150)),(height-height*0.0574)-width/2*sin(radians(150)));
210
211  rotate(radians(-60));
212  text("150�",0,0);
213  popMatrix(); 
214}

1#include <Servo.h>
2const int trigPin=12;
3const int echoPin=11;
4long  duration;
5int distance;
6Servo s1;
7
8void setup() {
9  Serial.begin(9600);
10  pinMode(trigPin,OUTPUT);
11  pinMode(echoPin,INPUT);
12  s1.attach(9);
13}
14
15void  loop(){
16    for(int i=0;i<180;i=i+1){            
17        s1.write(i);
18        delay(30);
19        distance = calDist();
20        Serial.print(i);                      
21        Serial.print(",");                   
22        Serial.print(distance);              
23        Serial.print(".");                   
24     }
25    for(int i=180;i>0;i=i-1){  
26        s1.write(i);
27        delay(30);
28        distance = calDist();
29        Serial.print(i);
30        Serial.print(",");
31        Serial.print(distance);
32        Serial.print(".");
33    }
34}
35
36    int calDist(){
37       digitalWrite(trigPin, LOW);
38       delayMicroseconds(2);
39       digitalWrite(trigPin, HIGH);
40       delayMicroseconds(10);
41       digitalWrite(trigPin,  LOW);                                                     
42       duration =  pulseIn(echoPin, HIGH);                            
43       distance= duration*0.034/2;                  
44       return distance;
45}
46