Arduino uno avoiding object car with led and buzzer

This project is only using some part and easy to make it, this project only use 1.arduino uno R3 2.adafruit motor shield V1

Jul 6, 2020

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cars

robots

Devices & Components

Arduino Uno Rev3

battery 18650

adafruit motor shield V1

Battery Holder, 18650 x 2

Ultrasonic Sensor - HC-SR04 (Generic)

5 mm LED: Green

DC Motor, 12 V

5 mm LED: Red

Hardware & Tools

Hot glue gun (generic)

Software & Tools

Arduino IDE

Project description

Code

avoiding car

arduino

this project is very cool

1#include <AFMotor.h>
2
3
4AF_DCMotor MotorL(4);  // Motor sebelah   kiri tersambung ke M4
5AF_DCMotor MotorR(3);  // Motor sebelah kanan tersambung   M3
6
7//led setup
8const int ledpinG = A2; // LED hijau tersambung ke arduino   pin A2 
9const int ledpinR = A0; // LED merah tersambung ke arduino pin A0
10
11//buzzer   setup
12 const int buzPin = 2;  // buzzer tersambung ke arduino pin 2
13
14//ultrasonic   setup:
15 const int trigPin = A4; // trig pin tersambung ke arduino pin A4
16   const int echoPin = A5; // echo pin tersambung ke arduino pin A5
17
18// defines   variables
19long duration;
20int distanceCm=0;
21
22 
23void setup() {
24   Serial.begin(115200);      // set up Serial library at 115200 bps
25  Serial.println("robot   Obstacle Avoidance Mod");
26  pinMode(trigPin, OUTPUT);  // Sets the trigPin as   an Output
27  pinMode(echoPin, INPUT);   // Sets the echoPin as an Input
28  pinMode(buzPin,   OUTPUT);  // sets the buzpin as an output
29  pinMode(ledpinG,OUTPUT);  // sets   the ledpin GREEN as an output
30  pinMode(ledpinR,OUTPUT);  // sets the ledpin   as RED an output
31  
32  // Set the speed to start, from 0 (off) to 255 (max   speed)
33  // sometimes the motors don't have the same speed, so use these values   tomake your robot move straight
34  MotorL.setSpeed(140);
35  MotorR.setSpeed(140);
36   // turn off motor
37  MotorL.run(RELEASE);
38  MotorR.run(RELEASE);
39  
40}
41
42//   main program loop
43void loop() {
44 distanceCm=getDistance(); // variable to   store the distance measured by the sensor
45   
46 Serial.println(distanceCm);   // print the distance that was measured
47
48  
49  //jika jarak 25cm/kurang   dari 25cm, robot akan berhenti, mundur,  berbelok ke kanan, "beep" 2x dan LED   merah menyala
50  if(distanceCm <= 25){
51
52    MotorL.run(RELEASE);    
53     MotorR.run(RELEASE);
54    ledR(); 
55    delay(50);
56    
57    buz();ledR();buz();ledR();
58     buz();ledR();buz();ledR();        
59    MotorL.run(BACKWARD);       
60    MotorR.run(BACKWARD);
61            
62    delay(300);
63                       
64    MotorL.run(FORWARD);   
65    MotorR.run(BACKWARD);
66    ledR();    
67    delay(300);
68             
69    }
70   
71   else {
72  
73    MotorL.run(FORWARD); 
74    MotorR.run(FORWARD);
75     ledG();    
76  }
77
78}
79
80void buz(){
81    digitalWrite(2, HIGH);
82     delay(100);
83    digitalWrite(2, LOW);
84    delay(100);
85}
86
87void   ledG(){
88    digitalWrite(A2, HIGH);
89    delay(100);
90    digitalWrite(A2,   LOW);
91    delay(100);
92  
93}
94
95void ledR(){
96    digitalWrite(A0,   HIGH);
97    delay(100);
98    digitalWrite(A0, LOW);
99    delay(100);
100  
101}
102
103//RETURNS   THE DISTANCE MEASURED BY THE HC-SR04 DISTANCE SENSOR
104int getDistance() {
105   int echoTime;                   //variable to store the time it takes for a ping   to bounce off an object
106  int calcualtedDistance;         //variable to store   the distance calculated from the echo time
107  
108  //send out an ultrasonic pulse   that's 10ms long
109  digitalWrite(trigPin, HIGH);
110  delayMicroseconds(10); 
111   digitalWrite(trigPin, LOW);
112
113  echoTime = pulseIn(echoPin, HIGH);      //use   the pulsein command to see how long it takes for the
114                                          //pulse   to bounce back to the sensor
115
116  calcualtedDistance = echoTime / 58.26;  //calculate   the distance of the object that reflected the pulse (half the bounce time multiplied   by the speed of sound)
117  return calcualtedDistance;              //send back   the distance that was calculated
118}
119

#include <AFMotor.h>


AF_DCMotor MotorL(4);  // Motor sebelah   kiri tersambung ke M4
AF_DCMotor MotorR(3);  // Motor sebelah kanan tersambung   M3

//led setup
const int ledpinG = A2; // LED hijau tersambung ke arduino   pin A2 
const int ledpinR = A0; // LED merah tersambung ke arduino pin A0

//buzzer   setup
 const int buzPin = 2;  // buzzer tersambung ke arduino pin 2

//ultrasonic   setup:
 const int trigPin = A4; // trig pin tersambung ke arduino pin A4
   const int echoPin = A5; // echo pin tersambung ke arduino pin A5

// defines   variables
long duration;
int distanceCm=0;

 
void setup() {
   Serial.begin(115200);      // set up Serial library at 115200 bps
  Serial.println("robot   Obstacle Avoidance Mod");
  pinMode(trigPin, OUTPUT);  // Sets the trigPin as   an Output
  pinMode(echoPin, INPUT);   // Sets the echoPin as an Input
  pinMode(buzPin,   OUTPUT);  // sets the buzpin as an output
  pinMode(ledpinG,OUTPUT);  // sets   the ledpin GREEN as an output
  pinMode(ledpinR,OUTPUT);  // sets the ledpin   as RED an output
  
  // Set the speed to start, from 0 (off) to 255 (max   speed)
  // sometimes the motors don't have the same speed, so use these values   tomake your robot move straight
  MotorL.setSpeed(140);
  MotorR.setSpeed(140);
   // turn off motor
  MotorL.run(RELEASE);
  MotorR.run(RELEASE);
  
}

//   main program loop
void loop() {
 distanceCm=getDistance(); // variable to   store the distance measured by the sensor
   
 Serial.println(distanceCm);   // print the distance that was measured

  
  //jika jarak 25cm/kurang   dari 25cm, robot akan berhenti, mundur,  berbelok ke kanan, "beep" 2x dan LED   merah menyala
  if(distanceCm <= 25){

    MotorL.run(RELEASE);    
     MotorR.run(RELEASE);
    ledR(); 
    delay(50);
    
    buz();ledR();buz();ledR();
     buz();ledR();buz();ledR();        
    MotorL.run(BACKWARD);       
    MotorR.run(BACKWARD);
            
    delay(300);
                       
    MotorL.run(FORWARD);   
    MotorR.run(BACKWARD);
    ledR();    
    delay(300);
             
    }
   
   else {
  
    MotorL.run(FORWARD); 
    MotorR.run(FORWARD);
     ledG();    
  }

}

void buz(){
    digitalWrite(2, HIGH);
     delay(100);
    digitalWrite(2, LOW);
    delay(100);
}

void   ledG(){
    digitalWrite(A2, HIGH);
    delay(100);
    digitalWrite(A2,   LOW);
    delay(100);
  
}

void ledR(){
    digitalWrite(A0,   HIGH);
    delay(100);
    digitalWrite(A0, LOW);
    delay(100);
  
}

//RETURNS   THE DISTANCE MEASURED BY THE HC-SR04 DISTANCE SENSOR
int getDistance() {
   int echoTime;                   //variable to store the time it takes for a ping   to bounce off an object
  int calcualtedDistance;         //variable to store   the distance calculated from the echo time
  
  //send out an ultrasonic pulse   that's 10ms long
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10); 
   digitalWrite(trigPin, LOW);

  echoTime = pulseIn(echoPin, HIGH);      //use   the pulsein command to see how long it takes for the
                                          //pulse   to bounce back to the sensor

  calcualtedDistance = echoTime / 58.26;  //calculate   the distance of the object that reflected the pulse (half the bounce time multiplied   by the speed of sound)
  return calcualtedDistance;              //send back   the distance that was calculated
}

avoiding car

arduino

this project is very cool

1#include <AFMotor.h>
2
3
4AF_DCMotor MotorL(4);  // Motor sebelah  kiri tersambung ke M4
5AF_DCMotor MotorR(3);  // Motor sebelah kanan tersambung  M3
6
7//led setup
8const int ledpinG = A2; // LED hijau tersambung ke arduino  pin A2 
9const int ledpinR = A0; // LED merah tersambung ke arduino pin A0
10
11//buzzer  setup
12 const int buzPin = 2;  // buzzer tersambung ke arduino pin 2
13
14//ultrasonic  setup:
15 const int trigPin = A4; // trig pin tersambung ke arduino pin A4
16  const int echoPin = A5; // echo pin tersambung ke arduino pin A5
17
18// defines  variables
19long duration;
20int distanceCm=0;
21
22 
23void setup() {
24  Serial.begin(115200);      // set up Serial library at 115200 bps
25  Serial.println("robot  Obstacle Avoidance Mod");
26  pinMode(trigPin, OUTPUT);  // Sets the trigPin as  an Output
27  pinMode(echoPin, INPUT);   // Sets the echoPin as an Input
28  pinMode(buzPin,  OUTPUT);  // sets the buzpin as an output
29  pinMode(ledpinG,OUTPUT);  // sets  the ledpin GREEN as an output
30  pinMode(ledpinR,OUTPUT);  // sets the ledpin  as RED an output
31  
32  // Set the speed to start, from 0 (off) to 255 (max  speed)
33  // sometimes the motors don't have the same speed, so use these values  tomake your robot move straight
34  MotorL.setSpeed(140);
35  MotorR.setSpeed(140);
36  // turn off motor
37  MotorL.run(RELEASE);
38  MotorR.run(RELEASE);
39  
40}
41
42//  main program loop
43void loop() {
44 distanceCm=getDistance(); // variable to  store the distance measured by the sensor
45   
46 Serial.println(distanceCm);  // print the distance that was measured
47
48  
49  //jika jarak 25cm/kurang  dari 25cm, robot akan berhenti, mundur,  berbelok ke kanan, "beep" 2x dan LED  merah menyala
50  if(distanceCm <= 25){
51
52    MotorL.run(RELEASE);    
53    MotorR.run(RELEASE);
54    ledR(); 
55    delay(50);
56    
57    buz();ledR();buz();ledR();
58    buz();ledR();buz();ledR();        
59    MotorL.run(BACKWARD);       
60    MotorR.run(BACKWARD);
61           
62    delay(300);
63                       
64    MotorL.run(FORWARD);  
65    MotorR.run(BACKWARD);
66    ledR();    
67    delay(300);
68             
69   }
70   
71   else {
72  
73    MotorL.run(FORWARD); 
74    MotorR.run(FORWARD);
75    ledG();    
76  }
77
78}
79
80void buz(){
81    digitalWrite(2, HIGH);
82    delay(100);
83    digitalWrite(2, LOW);
84    delay(100);
85}
86
87void  ledG(){
88    digitalWrite(A2, HIGH);
89    delay(100);
90    digitalWrite(A2,  LOW);
91    delay(100);
92  
93}
94
95void ledR(){
96    digitalWrite(A0,  HIGH);
97    delay(100);
98    digitalWrite(A0, LOW);
99    delay(100);
100  
101}
102
103//RETURNS  THE DISTANCE MEASURED BY THE HC-SR04 DISTANCE SENSOR
104int getDistance() {
105  int echoTime;                   //variable to store the time it takes for a ping  to bounce off an object
106  int calcualtedDistance;         //variable to store  the distance calculated from the echo time
107  
108  //send out an ultrasonic pulse  that's 10ms long
109  digitalWrite(trigPin, HIGH);
110  delayMicroseconds(10); 
111  digitalWrite(trigPin, LOW);
112
113  echoTime = pulseIn(echoPin, HIGH);      //use  the pulsein command to see how long it takes for the
114                                          //pulse  to bounce back to the sensor
115
116  calcualtedDistance = echoTime / 58.26;  //calculate  the distance of the object that reflected the pulse (half the bounce time multiplied  by the speed of sound)
117  return calcualtedDistance;              //send back  the distance that was calculated
118}
119

#include <AFMotor.h>


AF_DCMotor MotorL(4);  // Motor sebelah  kiri tersambung ke M4
AF_DCMotor MotorR(3);  // Motor sebelah kanan tersambung  M3

//led setup
const int ledpinG = A2; // LED hijau tersambung ke arduino  pin A2 
const int ledpinR = A0; // LED merah tersambung ke arduino pin A0

//buzzer  setup
 const int buzPin = 2;  // buzzer tersambung ke arduino pin 2

//ultrasonic  setup:
 const int trigPin = A4; // trig pin tersambung ke arduino pin A4
  const int echoPin = A5; // echo pin tersambung ke arduino pin A5

// defines  variables
long duration;
int distanceCm=0;

 
void setup() {
  Serial.begin(115200);      // set up Serial library at 115200 bps
  Serial.println("robot  Obstacle Avoidance Mod");
  pinMode(trigPin, OUTPUT);  // Sets the trigPin as  an Output
  pinMode(echoPin, INPUT);   // Sets the echoPin as an Input
  pinMode(buzPin,  OUTPUT);  // sets the buzpin as an output
  pinMode(ledpinG,OUTPUT);  // sets  the ledpin GREEN as an output
  pinMode(ledpinR,OUTPUT);  // sets the ledpin  as RED an output
  
  // Set the speed to start, from 0 (off) to 255 (max  speed)
  // sometimes the motors don't have the same speed, so use these values  tomake your robot move straight
  MotorL.setSpeed(140);
  MotorR.setSpeed(140);
  // turn off motor
  MotorL.run(RELEASE);
  MotorR.run(RELEASE);
  
}

//  main program loop
void loop() {
 distanceCm=getDistance(); // variable to  store the distance measured by the sensor
   
 Serial.println(distanceCm);  // print the distance that was measured

  
  //jika jarak 25cm/kurang  dari 25cm, robot akan berhenti, mundur,  berbelok ke kanan, "beep" 2x dan LED  merah menyala
  if(distanceCm <= 25){

    MotorL.run(RELEASE);    
    MotorR.run(RELEASE);
    ledR(); 
    delay(50);
    
    buz();ledR();buz();ledR();
    buz();ledR();buz();ledR();        
    MotorL.run(BACKWARD);       
    MotorR.run(BACKWARD);
           
    delay(300);
                       
    MotorL.run(FORWARD);  
    MotorR.run(BACKWARD);
    ledR();    
    delay(300);
             
   }
   
   else {
  
    MotorL.run(FORWARD); 
    MotorR.run(FORWARD);
    ledG();    
  }

}

void buz(){
    digitalWrite(2, HIGH);
    delay(100);
    digitalWrite(2, LOW);
    delay(100);
}

void  ledG(){
    digitalWrite(A2, HIGH);
    delay(100);
    digitalWrite(A2,  LOW);
    delay(100);
  
}

void ledR(){
    digitalWrite(A0,  HIGH);
    delay(100);
    digitalWrite(A0, LOW);
    delay(100);
  
}

//RETURNS  THE DISTANCE MEASURED BY THE HC-SR04 DISTANCE SENSOR
int getDistance() {
  int echoTime;                   //variable to store the time it takes for a ping  to bounce off an object
  int calcualtedDistance;         //variable to store  the distance calculated from the echo time
  
  //send out an ultrasonic pulse  that's 10ms long
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10); 
  digitalWrite(trigPin, LOW);

  echoTime = pulseIn(echoPin, HIGH);      //use  the pulsein command to see how long it takes for the
                                          //pulse  to bounce back to the sensor

  calcualtedDistance = echoTime / 58.26;  //calculate  the distance of the object that reflected the pulse (half the bounce time multiplied  by the speed of sound)
  return calcualtedDistance;              //send back  the distance that was calculated
}

Downloadable files

the code

this is the code for the robot

the code

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