Tutorial Thingspeak Lengkap : Pengiriman dan Penerimaan Data

 
#include <ESP8266WiFi.h>
#include <WiFiClient.h> 
#include <ThingSpeak.h> //library untuk thingspeak


const char *ssid = "indobot.co.id";  //nama Hotspot yang
const char *password = "belajariot";  //Password Hotspot
WiFiClient client; 

unsigned long myChannelNumber =  1614486; //channel ID
const char * myWriteAPIKey = "HE2CO3UZC7BPNCTM"; //write APIKey

void setup() {
  Serial.begin(115200); 
  delay(10); 
  
  Serial.print("Connecting to ");  
  Serial.println(ssid);  //menampilkan nama hotspot ke Serial monitor
  WiFi.begin(ssid, password);  //memulai untuk terhubung WiFi

  //memastikan koneksi dengan hotspot
  while (WiFi.status() != WL_CONNECTED)
  {
      delay(500);
      Serial.print(".");
  }
  
  Serial.println("");  
  Serial.println("WiFi connected"); //menandakan sudah terkoneksi
  Serial.println(WiFi.localIP());  //menampilkan Alamat IP
  ThingSpeak.begin(client); //memulai thingspeak
}

void loop()   
{ 
  int nilaiSensor; //variabel Nilai sensor
  ThingSpeak.writeField(myChannelNumber, 1, nilaiSensor, myWriteAPIKey); //pengiriman ke data thingspeak
  delay(20000); //jangka pengiriman 20 detik
}

 
#include <ESP8266WiFi.h>
#include <WiFiClient.h> 
#include <ThingSpeak.h> //library untuk thingspeak
#include "DHT.h" //library untuk DHT

#define DHTPIN D2 //deklarasi pin D2 untuk output dari DHT11
#define DHTTYPE DHT11 //menggunakan DHT11
DHT dht(DHTPIN, DHTTYPE);

const char *ssid = "indobot.co.id";  //nama Hotspot yang 
const char *password = "belajariot";  //Password Hotspot yang
WiFiClient client; 

unsigned long myChannelNumber =  1614486; //channel ID
const char * myWriteAPIKey = "HE2CO3UZC7BPNCTM"; //write APIKey

void setup() {
  Serial.begin(115200); 
  delay(10); 
  
  Serial.print("Connecting to ");  
  Serial.println(ssid);  //menampilkan nama hotspot ke Serial monitor
  WiFi.begin(ssid, password);  //memulai untuk terhubung WiFi

  //memastikan koneksi dengan hotspot
  while (WiFi.status() != WL_CONNECTED)
  {
      delay(500);
      Serial.print(".");
  }
  
  Serial.println("");  
  Serial.println("WiFi connected"); //menandakan sudah terkoneksi
  Serial.println(WiFi.localIP());  //menampilkan Alamat IP
  ThingSpeak.begin(client); //memulai thingspeak
  dht.begin(); //memulai mengaktifkan DHT
}

void loop()   
{ 
  int t = dht.readTemperature(); //pembacaan temperatur

  //menampilkan pada serial monitor
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.println (" *C ");
  int nilaiSensor = t; //variabel Nilai sensor untuk 
  ThingSpeak.writeField(myChannelNumber, 1, nilaiSensor, myWriteAPIKey); //pengiriman ke data thingspeak
  delay(20000); //jangka pengiriman 2 detik
}

 
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ThingSpeak.h> 
const char *ssid = "**********"; //nama hotspot  
const char *password = "belajariot"; //password hotspot
WiFiClient  client;

unsigned long myChannelNumber = 1640008;  //Nomor channel Thingspeak
const char * myReadAPIKey = "SKEASLRR2OQ2T15J"; //kode ReadAPIKey


void setup() {
  Serial.begin(115200);  // Initialize serial
  delay(10); 
  

  Serial.print("Connecting to ");  
  Serial.println(ssid);  
  WiFi.begin(ssid, password);  //menghubungkan dengan hotspot
  while (WiFi.status() != WL_CONNECTED) //memastikan koneksi
  {
      delay(500);
      Serial.print(".");
  }

  Serial.println("");  
  Serial.println("WiFi connected"); //menandakan sudah terkoneksi
  Serial.println(WiFi.localIP());
  WiFi.mode(WIFI_STA); 
  ThingSpeak.begin(client);  // Initialize ThingSpeak
}

void loop() {
  int statusCode = 0; //membuat statusCode bernilai nol kembali
 
  long count = ThingSpeak.readLongField(myChannelNumber, 1, myReadAPIKey);   //pembacaan nilai pada thingspeak di field 1

  statusCode = ThingSpeak.getLastReadStatus();
  if(statusCode == 200){ //200 adalah kode status dari thingspeak
    Serial.println("Data Thingspeak : " + String(count)); //tuliskan nilai pada serial monitor
  }
  else{ //jika bukan 200 artinya mengalami error
    Serial.println("Problem reading channel. HTTP error code " + String(statusCode)); 
  }
  
}

 
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ThingSpeak.h> 
const char *ssid = "**********"; //nama hotspot  
const char *password = "belajariot"; //password hotspot
WiFiClient  client;

unsigned long myChannelNumber = 1640008;  //Nomor channel Thingspeak
const char * myReadAPIKey = "SKEASLRR2OQ2T15J"; //kode ReadAPIKey

#define LED D1

void setup() {
  Serial.begin(115200);  // Initialize serial
  delay(10); 
  pinMode (LED, OUTPUT);
  Serial.print("Connecting to ");  
  Serial.println(ssid);  
  WiFi.begin(ssid, password);  //menghubungkan dengan hotspot
  while (WiFi.status() != WL_CONNECTED) //memastikan koneksi
  {
      delay(500);
      Serial.print(".");
  }

  Serial.println("");  
  Serial.println("WiFi connected"); //menandakan sudah terkoneksi
  Serial.println(WiFi.localIP());
  WiFi.mode(WIFI_STA); 
  ThingSpeak.begin(client);  // Initialize ThingSpeak
}

void loop() {
  int statusCode = 0; //membuat statusCode bernilai nol kembali
 
  long count = ThingSpeak.readLongField(myChannelNumber, 1, myReadAPIKey);   //pembacaan nilai pada thingspeak di field 1

  statusCode = ThingSpeak.getLastReadStatus();
  if(statusCode == 200){ //200 adalah kode status dari thingspeak
      if (count == 1){
        digitalWrite(LED,1);
        Serial.println ("LED Menyala");
      }
      else if (count == 0){
        digitalWrite(LED,0);
        Serial.println ("LED Mati");
      }
      else Serial.println ("Data yang dimasukkan salah");
  }
  else{ //jika bukan 200 artinya mengalami error
    Serial.println("Problem reading channel. HTTP error code " + String(statusCode)); 
  }
}