GPS-PushButton-LED-EmailAlert.CPP

#include <EMailSender.h>
#include <TinyGPS++.h>
#include <SoftwareSerial.h>
#include "ThingSpeak.h"
#include <ESP8266WiFi.h>

static const int RXPin = 12 , TXPin = 13;
static const uint32_t GPSBaud = 9600;
const char* ssid     = " ";                 //enter wifi name
const char* password = " ";                 //enter wifi password
unsigned long myChannelNumber = ;           //enter thingspeak channel number
const char * myWriteAPIKey = " ";           //enter thingspeak API KEY

int ledpin = 5;
int button = 4;
int buttonState=0;

TinyGPSPlus gps;
WiFiClient  client;
SoftwareSerial ss(RXPin, TXPin);

void setup()
{
  Serial.begin(9600);
  ss.begin(GPSBaud);
  Serial.println(F("DeviceExample.ino"));
  Serial.println(F("A simple demonstration of TinyGPS++ with an attached GPS module"));
  Serial.print(F("Testing TinyGPS++ library v. ")); 
  Serial.println(TinyGPSPlus::libraryVersion());
  Serial.println();

  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) 
  {
    delay(500);
    Serial.print(".");
  }
   Serial.println("");
  Serial.println("WiFi connected");  
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
  Serial.print("Netmask: ");
  Serial.println(WiFi.subnetMask());
  Serial.print("Gateway: ");
  Serial.println(WiFi.gatewayIP());
  ThingSpeak.begin(client);

  pinMode(ledpin, OUTPUT);
  pinMode(button, INPUT);
}

void loop()
{
 while (ss.available() > 0)
 
    if (gps.encode(ss.read()))
      displayInfo();

      if (millis() > 5000 && gps.charsProcessed() < 10)
      {
       Serial.println(F("No GPS detected: check wiring."));
       while(true);
      }
 
 buttonState=digitalRead(button); // put your main code here, to run repeatedly:
 if (buttonState == 1)
 {
 digitalWrite(ledpin, HIGH); 
             EMailSender emailSend(" ", " ");                                  //enter email address and password of that email account respectively
             EMailSender::EMailMessage message;
             message.subject = "Danger Alert !!!HELP!!!";
             message.message = "Danger!!!<br> Go save her!!";
             EMailSender::Response resp = emailSend.send(" ", message);       //enter email address to which you want email alert to be send
             Serial.println("Sending status: ");
             Serial.println(resp.code);
             Serial.println(resp.desc);
             Serial.println(resp.status);
             
 }
 if (buttonState==0)
 {
 digitalWrite(ledpin, LOW); 

 }
           
}
void displayInfo()
{
  if (gps.location.isValid())
  {

    double latitude = (gps.location.lat());
    double longitude = (gps.location.lng());
    
    String latbuf;
    latbuf += (String(latitude, 6));
    Serial.println(latbuf);

    String lonbuf;
    lonbuf += (String(longitude, 6));
    Serial.println(lonbuf);

    ThingSpeak.setField(1, latbuf);
    ThingSpeak.setField(2, lonbuf);
    ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);  
    delay(20000);
    
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F(" \n Date/Time: "));
  if (gps.date.isValid())
  {
    Serial.print(gps.date.month());
    Serial.print(F("/"));
    Serial.print(gps.date.day());
    Serial.print(F("/"));
    Serial.print(gps.date.year());
  }
  else
  {
    Serial.print(F("INVALID"));
  }

  Serial.print(F(" "));
  if (gps.time.isValid())
  {
    if (gps.time.hour() < 10) Serial.print(F("0"));
    Serial.print(gps.time.hour());
    Serial.print(F(":"));
    if (gps.time.minute() < 10) Serial.print(F("0"));
    Serial.print(gps.time.minute());
    Serial.print(F(":"));
    if (gps.time.second() < 10) Serial.print(F("0"));
    Serial.print(gps.time.second());
    Serial.print(F("."));
    if (gps.time.centisecond() < 10) Serial.print(F("0"));
    Serial.print(gps.time.centisecond());
  }
  else
  {
    Serial.print(F("INVALID"));
  }
  Serial.println();
}