Components and supplies
Temperature Sensor
Buzzer
LED (generic)
Resistor 10k ohm
Ultrasonic Sensor - HC-SR04 (Generic)
Servos (Tower Pro MG996R)
Slide Switch
Arduino UNO
Apps and platforms
Arduino IDE
Project description
Code
BurnE_Code.ino
arduino
1// Includes the Servo library 2#include <Servo.h>. 3// Defines Tirg and Echo pins of the Ultrasonic Sensor 4const int trigPin = 10; 5const int echoPin = 11; 6// Variables for the duration and the distance 7long duration; 8int distance; 9Servo myServo; // Creates a servo object for controlling the servo motor 10void setup() { 11 pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output 12 pinMode(echoPin, INPUT); // Sets the echoPin as an Input 13 Serial.begin(9600); 14 myServo.attach(12); // Defines on which pin is the servo motor attached 15} 16void loop() { 17 // rotates the servo motor from 15 to 165 degrees 18 for(int i=15;i<=165;i++){ 19 myServo.write(i); 20 delay(30); 21 distance = calculateDistance();// Calls a function for calculating the distance measured by the Ultrasonic sensor for each degree 22 23 Serial.print(i); // Sends the current degree into the Serial Port 24 Serial.print(","); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing 25 Serial.print(distance); // Sends the distance value into the Serial Port 26 Serial.print("."); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing 27 } 28 // Repeats the previous lines from 165 to 15 degrees 29 for(int i=165;i>15;i--){ 30 myServo.write(i); 31 delay(30); 32 distance = calculateDistance(); 33 Serial.print(i); 34 Serial.print(","); 35 Serial.print(distance); 36 Serial.print("."); 37 } 38} 39// Function for calculating the distance measured by the Ultrasonic sensor 40int calculateDistance(){ 41 42 digitalWrite(trigPin, LOW); 43 delayMicroseconds(2); 44 // Sets the trigPin on HIGH state for 10 micro seconds 45 digitalWrite(trigPin, HIGH); 46 delayMicroseconds(10); 47 digitalWrite(trigPin, LOW); 48 duration = pulseIn(echoPin, HIGH); // Reads the echoPin, returns the sound wave travel time in microseconds 49 distance= duration*0.034/2; 50 return distance; 51}
radar.pde
c_cpp
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,"COM4", 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-30.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}
BurnE_Code.ino
arduino
1// Includes the Servo library 2#include <Servo.h>. 3// Defines Tirg and Echo pins of the Ultrasonic Sensor 4const int trigPin = 10; 5const int echoPin = 11; 6// Variables for the duration and the distance 7long duration; 8int distance; 9Servo myServo; // Creates a servo object for controlling the servo motor 10void setup() { 11 pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output 12 pinMode(echoPin, INPUT); // Sets the echoPin as an Input 13 Serial.begin(9600); 14 myServo.attach(12); // Defines on which pin is the servo motor attached 15} 16void loop() { 17 // rotates the servo motor from 15 to 165 degrees 18 for(int i=15;i<=165;i++){ 19 myServo.write(i); 20 delay(30); 21 distance = calculateDistance();// Calls a function for calculating the distance measured by the Ultrasonic sensor for each degree 22 23 Serial.print(i); // Sends the current degree into the Serial Port 24 Serial.print(","); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing 25 Serial.print(distance); // Sends the distance value into the Serial Port 26 Serial.print("."); // Sends addition character right next to the previous value needed later in the Processing IDE for indexing 27 } 28 // Repeats the previous lines from 165 to 15 degrees 29 for(int i=165;i>15;i--){ 30 myServo.write(i); 31 delay(30); 32 distance = calculateDistance(); 33 Serial.print(i); 34 Serial.print(","); 35 Serial.print(distance); 36 Serial.print("."); 37 } 38} 39// Function for calculating the distance measured by the Ultrasonic sensor 40int calculateDistance(){ 41 42 digitalWrite(trigPin, LOW); 43 delayMicroseconds(2); 44 // Sets the trigPin on HIGH state for 10 micro seconds 45 digitalWrite(trigPin, HIGH); 46 delayMicroseconds(10); 47 digitalWrite(trigPin, LOW); 48 duration = pulseIn(echoPin, HIGH); // Reads the echoPin, returns the sound wave travel time in microseconds 49 distance= duration*0.034/2; 50 return distance; 51}
Downloadable files
Robot Circuit
Robot Circuit
Real Circuit
Real Circuit
Robot Circuit
Robot Circuit
Real Circuit
Real Circuit
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