NodeMCU ESP8266 Temperature, Humidity data upload on Thingspeak with Arduino IDE

//

#include <ThingSpeak.h> //library untuk thingspeak
#include “DHT.h” //library untuk DHT#define DHTPIN D3 //deklarasi pin D2 untuk output dari DHT11
#define DHTTYPE DHT11 //menggunakan DHT11
DHT dht(DHTPIN, DHTTYPE);const char *ssid = “Indobot Course”; //nama hotspot
const char *password = “belajariot”; //password hotspot
WiFiClient client;unsigned long myChannelNumber = 0000000; //channel ID
const char * myWriteAPIKey = “TA4WHHN2TPPH69KE”; //write APIKeyvoid setup() {
Serial.begin(115200); //serial monitor menggunakan baudrate 115200
delay(10);Serial.print(“Connecting to “);
Serial.println(ssid); //menuliskan SSID pada serial monitor
WiFi.begin(ssid, password); //mengaktifkan hotspot//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());
ThingSpeak.begin(client); //memulai thingspeak
dht.begin(); //memulai mengaktifkan DHT
}

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

//menampilkan pada serial monitor
Serial.print(“Kirim data suhu : “);
Serial.print(t);
Serial.println (” C “);
float nilaiSensor = t;
ThingSpeak.writeField(myChannelNumber, 1, nilaiSensor, myWriteAPIKey); //pengiriman ke data thingspeak
delay(20000);
}