Controlling Esp12E NodeMCU with LED from website using thingspeak from anywhere in the world(Part-1)

Controlling Esp12E NodeMCU with LED from website using thingspeak from anywhere in the world(Part-1)

//Controlling Esp12E NodeMCU with LED from website using thingspeak from anywhere in the world(Part-1)

#include "ThingSpeak.h"

#include <ESP8266WiFi.h>

 

//Replace your wifi credentials here

//const char* ssid = "your SSID or hotspot or wifi name";

//const char* password = "password of hotspot or wifi or ssid";

const char* ssid     = "PTS-2F";

const char* password = "";

 

//change your channel number here

unsigned long channel = 515184;

 

//1,2 and 3 are channel fields. You don't need to change if you are following this tutorial. However, you can modify it according to your application

unsigned int led1 = 1;

unsigned int led2 = 2;

unsigned int led3 = 3;

 

WiFiClient  client;

 

 

void setup() {

  Serial.begin(115200);

  delay(100);

  

  pinMode(D1, OUTPUT);

  pinMode(D2, OUTPUT);

  pinMode(D3, OUTPUT);

 for (int i=0; i <= 2; i++){

    digitalWrite(D1, 1);

    digitalWrite(D2, 1);

    digitalWrite(D3, 1);

    delay (500);

    digitalWrite(D1, 0);

    digitalWrite(D2, 0);

    digitalWrite(D3, 0);

    delay (500);

  }  

  // We start by connecting to a WiFi network

 

  Serial.println();

  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);

}

void loop() {

 

  //get the last data of the fields

  int led_1 = ThingSpeak.readFloatField(channel, led1);

  int led_2 = ThingSpeak.readFloatField(channel, led2);

  int led_3 = ThingSpeak.readFloatField(channel, led3);

 

  if(led_1 == 1){

    digitalWrite(D1, 1);

    Serial.println("D1 is On..!");

  }

  else if(led_1 == 0){

    digitalWrite(D1, 0);

    Serial.println("D1 is Off..!");

  }

 

  if(led_2 == 1){

    digitalWrite(D2, 1);

    Serial.println("D2 is On..!");

  }

  else if(led_2 == 0){

    digitalWrite(D2, 0);

    Serial.println("D2 is Off..!");

  }

 

  if(led_3 == 1){

    digitalWrite(D3, 1);

    Serial.println("D3 is On..!");

  }

  else if(led_3 == 0){

    digitalWrite(D3, 0);

    Serial.println("D3 is Off..!");

  }

    

  Serial.println(led_1);

  Serial.println(led_2);

  Serial.println(led_3);

  delay(5000);

 }