Vehicle Position Tracking System

The autonomous device will send the vehicle position to the android app with time and will show the location on google maps.

Oct 13, 2020

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2 respects

Devices & Components

Arduino Uno Rev3

Buzzer, Piezo

SparkFun GPS Module - Copernicus II DIP (12 Channel)

Analog Accelerometer: ADXL335

Temperature Sensor

NodeMCU ESP8266 Breakout Board

Hardware & Tools

Mastech MS8217 Autorange Digital Multimeter

Soldering iron (generic)

Software & Tools

Blynk

Arduino IDE

Project description

Code

CODE

c_cpp

1#include <TinyGPS++.h>
2#include <SoftwareSerial.h>
3#define BLYNK_PRINT  Serial
4#include <ESP8266WiFi.h>
5#include <BlynkSimpleEsp8266.h>
6#include  <SparkFun_ADXL345.h>
7
8static const int RXPin = 0, TXPin = 2;   // GPIO 4=D2(conneect  Tx of GPS) and GPIO 5=D1(Connect Rx of GPS
9static const uint32_t GPSBaud = 9600;
10
11#define  Addr 0x53
12
13int buzz=D6;
14int led = D7;
15const uint8_t scl = D1; //D5
16const  uint8_t sda = D2; //D6
17ADXL345 adxl = ADXL345();//if Baud rate 9600 didn't work  in your case 0then use 4800
18
19TinyGPSPlus gps; // The TinyGPS++ object
20WidgetMap  myMap(V8);  // V0 for virtual pin of Map Widget
21
22SoftwareSerial ss(RXPin,  TXPin);  // The serial connection to the GPS device
23
24BlynkTimer timer;
25     //Variable  to store the speed      //Variable to store no. of satellites response
26String  direc;  //Variable to store orientation or direction of GPS
27
28char auth[] =  "7d81ed3031614e37be9dcaa5ef75c86d";              //Your Project authentication  key
29char ssid[] = "diksha";                                       // Name of  your network (HotSpot or Router name)
30char pass[] = "diksha19";                                      //  Corresponding Password
31
32
33
34
35//unsigned int move_index;         //  moving index, to be used later
36unsigned int move_index = 1;  
37int adcPin =  A0;
38float temperature;
39//SimpleTimer timer;// fixed location for now
40/*  HC-SR501 Motion Detector */
41 //Place to store read PIR Value
42#define XValue                  V0
43#define YValue                  V1
44#define ZValue                  V2
45#define  VIRTUAL_LCD             V3
46
47WidgetLCD lcd(VIRTUAL_LCD);
48
49void checkGPS(){
50  if (gps.charsProcessed() < 10)
51  {
52    Serial.println(F("No GPS detected:  check wiring."));
53      Blynk.virtualWrite(V4, "GPS ERROR");  // Value Display  widget  on V4 if GPS not detected
54  }
55}
56void sendReadings()
57{
58  Blynk.virtualWrite(10,  temperature); // virtual pin 10
59}
60void refreshTime()
61{
62  long uptime  = millis() / 60000L;
63
64  // Output the following every minute:
65  lcd.clear();                              // Clear LCD Screen on Blynk
66  lcd.print(0, 0,  "  ACCIDENT ");     // Outputs Application Name
67  lcd.print(0, 1, " DETECTION  ");
68}
69
70void setup()
71{
72  Serial.begin(115200);
73  Serial.println();
74  ss.begin(GPSBaud);
75  Blynk.begin(auth, ssid, pass);
76 
77  
78  timer.setInterval(5000L,  checkGPS); 
79  timer.setInterval(1000L, sendReadings);
80  while (Blynk.connect()  == false) {        // Be patient. 
81                                            //  Wait for Blynk to come online   
82  }
83
84  // Notify immediately on startup
85  Blynk.notify("Device Started");           // Notification to smartphone
86
87  // Setup a function to be called every minute
88  //timer.setInterval(60000L,  refreshTime);
89
90  adxl.powerOn();                     // Power on the ADXL345
91
92  adxl.setRangeSetting(8);            // Give the range settings
93//  Blynk.virtualWrite(buzzer,  LOW); 
94   pinMode(buzz, OUTPUT);
95   pinMode(led, OUTPUT);
96   
97lcd.clear();
98  lcd.print(0, 0, "  ACCIDENT  ");
99  lcd.print(0, 1, "DETECTION");
100}
101  
102
103
104  
105void loop()
106{
107    Blynk.run();
108    int x,y,z;   
109  adxl.readAccel(&x, &y, &z);         // Read the accelerometer values in variables  x,y,z
110
111  // Write the values to Blynk:
112  Serial.println(x);
113  Blynk.virtualWrite(V0,  x);
114  
115  Serial.println(y);
116  Blynk.virtualWrite(V1, y);
117  Serial.println(z);
118  Blynk.virtualWrite(V2, z);
119  
120
121  if((x >= -2 ) & (x <= 10) & ((y>=50)  &(y<=70)))
122{
123   lcd.clear();
124  lcd.print(0, 0, "  NORMAL  ");
125   
126   delay(100);
127   digitalWrite(buzz,LOW);
128   digitalWrite(led,LOW);
129   
130}
131if(((x>=-50)  & (x<=-10)) & ((y>=10) & (y<=40)))
132
133{
134   lcd.clear();
135  lcd.print(0,  0, "  RIGHT  ");
136  lcd.print(0, 1, " ACCIDENT ");
137   
138//   Blynk.virtualWrite(buzzer,  HIGH); 
139  digitalWrite(buzz,HIGH);
140  digitalWrite(led,HIGH);
141  delay(2000);
142  lcd.clear();
143  lcd.print(0, 0, "  ARE YOU OKAY? ");
144  delay(100);
145  lcd.print(0, 0, "  PRESS RST ");
146  lcd.print(0, 1, " SWITCH ");
147  delay(2000);
148  lcd.print(0,0,"  LEFT  ");
149  lcd.print(0,1,"ACCIDENT");
150  lcd.clear();
151  Blynk.notify("HELP! ADDIDENT OCCURED");
152}
153if(((x>=10)&(x<=60))&((y>=30)&(y<=60)))
154{
155  lcd.clear();
156  lcd.print(0, 0, "  LEFT");
157  lcd.print(0, 1, " ACCIDENT  ");
158//   Blynk.virtualWrite(buzzer, HIGH); 
159  digitalWrite(buzz,HIGH);
160  digitalWrite(led,HIGH);
161  delay(2000);
162  lcd.clear();
163  lcd.print(0,0,"ARE  YOU OKAY?");
164  delay(100);
165  lcd.print(0, 0, "  PRESS RST");
166  lcd.print(0,  1, "   SWITCH   ");
167  delay(2000);
168  lcd.clear();
169   lcd.print(0, 0,"RIGHT  ");
170  
171  lcd.print(0,1,"ACCIDENT");
172  
173  Blynk.notify("HELP! ADDIDENT  OCCURED");
174  
175  
176 
177}
178if(((x>=0)&(x<=2))&((y>=40)&(y<=60)))
179
180{lcd.clear();
181  lcd.print(0, 0, "  FRONT");
182  lcd.print(0, 1, " ACCIDENT ");
183//   Blynk.virtualWrite(buzzer,  HIGH); 
184  digitalWrite(buzz,HIGH);
185  digitalWrite(led,HIGH);
186  delay(2000);
187  lcd.clear();
188  lcd.print(0,0,"ARE YOU OKAY?");
189  delay(100);
190  lcd.print(0,  0, "  PRESS RST");
191  lcd.print(0, 1, " SWITCH ");
192  delay(2000);
193  lcd.clear();
194   lcd.print(0, 0,"FRONT");
195  
196  lcd.print(0,1,"ACCIDENT");
197  
198  Blynk.notify("HELP! ADDIDENT OCCURED");
199  
200  
201}
202
203if(((x>=-2)&(x<=3))&((y>=50)&(y<=60)))
204{
205  lcd.clear();
206  lcd.print(0, 0, "  BACK");
207  lcd.print(0, 1, " ACCIDENT  ");
208 //  Blynk.virtualWrite(buzzer, HIGH); 
209  digitalWrite(buzz,HIGH);
210  digitalWrite(led,HIGH);
211  delay(2000);
212  lcd.clear();
213  lcd.print(0,0,"ARE  YOU OKAY?");
214  delay(100);
215  lcd.print(0, 0, "  PRESS RST");
216  lcd.print(0,  1, " SWITCH ");
217  delay(2000);
218  lcd.clear();
219   lcd.print(0, 0,"BACK");
220  
221  lcd.print(0,1,"ACCIDENT");
222  
223  Blynk.notify("HELP! ADDIDENT OCCURED");
224  
225}
226   
227    while (ss.available() > 0) 
228    {
229      // sketch displays  information every time a new sentence is correctly encoded.
230      if (gps.encode(ss.read()))
231        displayInfo();
232  }
233  
234  timer.run();
235  unsigned int adcValue  = analogRead(adcPin);
236  temperature = adcValue * 330 / 1024; // 3.3 VREF, 10-bit  ADC, 10mV = 1 degree Celsius
237
238  // Just for debugging
239  if (millis() %  1000 == 0) {
240    Serial.print("ADC value: ");
241    Serial.print(adcValue);
242    Serial.print("; Current temperature (Celsius): ");
243    Serial.println(temperature);
244  }
245}
246
247
248
249
250
251void displayInfo()
252{ 
253
254  if (gps.location.isValid()  ) 
255  {
256    
257    float latitude = (gps.location.lat());     //Storing the  Lat. and Lon. 
258    float longitude = (gps.location.lng()); 
259    
260    Serial.print("LAT:  ");
261    Serial.println(latitude, 6);  // float to x decimal places
262    Serial.print("LONG:  ");
263    Serial.println(longitude, 6);
264    Blynk.virtualWrite(V5, String(latitude,  6));   
265    Blynk.virtualWrite(V6, String(longitude, 6));  
266    myMap.location(move_index,  latitude, longitude, "GPS_Location");
267   
268Serial.println();
269}
270

#include <TinyGPS++.h>
#include <SoftwareSerial.h>
#define BLYNK_PRINT  Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include  <SparkFun_ADXL345.h>

static const int RXPin = 0, TXPin = 2;   // GPIO 4=D2(conneect  Tx of GPS) and GPIO 5=D1(Connect Rx of GPS
static const uint32_t GPSBaud = 9600;

#define  Addr 0x53

int buzz=D6;
int led = D7;
const uint8_t scl = D1; //D5
const  uint8_t sda = D2; //D6
ADXL345 adxl = ADXL345();//if Baud rate 9600 didn't work  in your case 0then use 4800

TinyGPSPlus gps; // The TinyGPS++ object
WidgetMap  myMap(V8);  // V0 for virtual pin of Map Widget

SoftwareSerial ss(RXPin,  TXPin);  // The serial connection to the GPS device

BlynkTimer timer;
     //Variable  to store the speed      //Variable to store no. of satellites response
String  direc;  //Variable to store orientation or direction of GPS

char auth[] =  "7d81ed3031614e37be9dcaa5ef75c86d";              //Your Project authentication  key
char ssid[] = "diksha";                                       // Name of  your network (HotSpot or Router name)
char pass[] = "diksha19";                                      //  Corresponding Password




//unsigned int move_index;         //  moving index, to be used later
unsigned int move_index = 1;  
int adcPin =  A0;
float temperature;
//SimpleTimer timer;// fixed location for now
/*  HC-SR501 Motion Detector */
 //Place to store read PIR Value
#define XValue                  V0
#define YValue                  V1
#define ZValue                  V2
#define  VIRTUAL_LCD             V3

WidgetLCD lcd(VIRTUAL_LCD);

void checkGPS(){
  if (gps.charsProcessed() < 10)
  {
    Serial.println(F("No GPS detected:  check wiring."));
      Blynk.virtualWrite(V4, "GPS ERROR");  // Value Display  widget  on V4 if GPS not detected
  }
}
void sendReadings()
{
  Blynk.virtualWrite(10,  temperature); // virtual pin 10
}
void refreshTime()
{
  long uptime  = millis() / 60000L;

  // Output the following every minute:
  lcd.clear();                              // Clear LCD Screen on Blynk
  lcd.print(0, 0,  "  ACCIDENT ");     // Outputs Application Name
  lcd.print(0, 1, " DETECTION  ");
}

void setup()
{
  Serial.begin(115200);
  Serial.println();
  ss.begin(GPSBaud);
  Blynk.begin(auth, ssid, pass);
 
  
  timer.setInterval(5000L,  checkGPS); 
  timer.setInterval(1000L, sendReadings);
  while (Blynk.connect()  == false) {        // Be patient. 
                                            //  Wait for Blynk to come online   
  }

  // Notify immediately on startup
  Blynk.notify("Device Started");           // Notification to smartphone

  // Setup a function to be called every minute
  //timer.setInterval(60000L,  refreshTime);

  adxl.powerOn();                     // Power on the ADXL345

  adxl.setRangeSetting(8);            // Give the range settings
//  Blynk.virtualWrite(buzzer,  LOW); 
   pinMode(buzz, OUTPUT);
   pinMode(led, OUTPUT);
   
lcd.clear();
  lcd.print(0, 0, "  ACCIDENT  ");
  lcd.print(0, 1, "DETECTION");
}
  


  
void loop()
{
    Blynk.run();
    int x,y,z;   
  adxl.readAccel(&x, &y, &z);         // Read the accelerometer values in variables  x,y,z

  // Write the values to Blynk:
  Serial.println(x);
  Blynk.virtualWrite(V0,  x);
  
  Serial.println(y);
  Blynk.virtualWrite(V1, y);
  Serial.println(z);
  Blynk.virtualWrite(V2, z);
  

  if((x >= -2 ) & (x <= 10) & ((y>=50)  &(y<=70)))
{
   lcd.clear();
  lcd.print(0, 0, "  NORMAL  ");
   
   delay(100);
   digitalWrite(buzz,LOW);
   digitalWrite(led,LOW);
   
}
if(((x>=-50)  & (x<=-10)) & ((y>=10) & (y<=40)))

{
   lcd.clear();
  lcd.print(0,  0, "  RIGHT  ");
  lcd.print(0, 1, " ACCIDENT ");
   
//   Blynk.virtualWrite(buzzer,  HIGH); 
  digitalWrite(buzz,HIGH);
  digitalWrite(led,HIGH);
  delay(2000);
  lcd.clear();
  lcd.print(0, 0, "  ARE YOU OKAY? ");
  delay(100);
  lcd.print(0, 0, "  PRESS RST ");
  lcd.print(0, 1, " SWITCH ");
  delay(2000);
  lcd.print(0,0,"  LEFT  ");
  lcd.print(0,1,"ACCIDENT");
  lcd.clear();
  Blynk.notify("HELP! ADDIDENT OCCURED");
}
if(((x>=10)&(x<=60))&((y>=30)&(y<=60)))
{
  lcd.clear();
  lcd.print(0, 0, "  LEFT");
  lcd.print(0, 1, " ACCIDENT  ");
//   Blynk.virtualWrite(buzzer, HIGH); 
  digitalWrite(buzz,HIGH);
  digitalWrite(led,HIGH);
  delay(2000);
  lcd.clear();
  lcd.print(0,0,"ARE  YOU OKAY?");
  delay(100);
  lcd.print(0, 0, "  PRESS RST");
  lcd.print(0,  1, "   SWITCH   ");
  delay(2000);
  lcd.clear();
   lcd.print(0, 0,"RIGHT  ");
  
  lcd.print(0,1,"ACCIDENT");
  
  Blynk.notify("HELP! ADDIDENT  OCCURED");
  
  
 
}
if(((x>=0)&(x<=2))&((y>=40)&(y<=60)))

{lcd.clear();
  lcd.print(0, 0, "  FRONT");
  lcd.print(0, 1, " ACCIDENT ");
//   Blynk.virtualWrite(buzzer,  HIGH); 
  digitalWrite(buzz,HIGH);
  digitalWrite(led,HIGH);
  delay(2000);
  lcd.clear();
  lcd.print(0,0,"ARE YOU OKAY?");
  delay(100);
  lcd.print(0,  0, "  PRESS RST");
  lcd.print(0, 1, " SWITCH ");
  delay(2000);
  lcd.clear();
   lcd.print(0, 0,"FRONT");
  
  lcd.print(0,1,"ACCIDENT");
  
  Blynk.notify("HELP! ADDIDENT OCCURED");
  
  
}

if(((x>=-2)&(x<=3))&((y>=50)&(y<=60)))
{
  lcd.clear();
  lcd.print(0, 0, "  BACK");
  lcd.print(0, 1, " ACCIDENT  ");
 //  Blynk.virtualWrite(buzzer, HIGH); 
  digitalWrite(buzz,HIGH);
  digitalWrite(led,HIGH);
  delay(2000);
  lcd.clear();
  lcd.print(0,0,"ARE  YOU OKAY?");
  delay(100);
  lcd.print(0, 0, "  PRESS RST");
  lcd.print(0,  1, " SWITCH ");
  delay(2000);
  lcd.clear();
   lcd.print(0, 0,"BACK");
  
  lcd.print(0,1,"ACCIDENT");
  
  Blynk.notify("HELP! ADDIDENT OCCURED");
  
}
   
    while (ss.available() > 0) 
    {
      // sketch displays  information every time a new sentence is correctly encoded.
      if (gps.encode(ss.read()))
        displayInfo();
  }
  
  timer.run();
  unsigned int adcValue  = analogRead(adcPin);
  temperature = adcValue * 330 / 1024; // 3.3 VREF, 10-bit  ADC, 10mV = 1 degree Celsius

  // Just for debugging
  if (millis() %  1000 == 0) {
    Serial.print("ADC value: ");
    Serial.print(adcValue);
    Serial.print("; Current temperature (Celsius): ");
    Serial.println(temperature);
  }
}





void displayInfo()
{ 

  if (gps.location.isValid()  ) 
  {
    
    float latitude = (gps.location.lat());     //Storing the  Lat. and Lon. 
    float longitude = (gps.location.lng()); 
    
    Serial.print("LAT:  ");
    Serial.println(latitude, 6);  // float to x decimal places
    Serial.print("LONG:  ");
    Serial.println(longitude, 6);
    Blynk.virtualWrite(V5, String(latitude,  6));   
    Blynk.virtualWrite(V6, String(longitude, 6));  
    myMap.location(move_index,  latitude, longitude, "GPS_Location");
   
Serial.println();
}

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