#include <WiFi.h>
#include "DHTesp.h"
#include "ThingSpeak.h"
const int DHT_PIN =15;
const char* WIFI_NAME = "Wokwi-GUEST";//nhập tài khoản wifi kết nối với esp32
const char* WIFI_PASSWORD = "";//nhập pass wifi kết nối với eps32
const int myChannelNumber =2747520; //ID của dự án 
const char* myApiKey = "1GT2X02ICN75DD43";//key của dự án 
const char* server = "api.thingspeak.com";
DHTesp dhtSensor;
WiFiClient client;
void setup() {
Serial.begin(115200);//……………………………………………………………………………
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED){
delay(500);
Serial.println("Wifi not connected");  }
Serial.println("Wifi connected !");
Serial.println("Local IP: " + String(WiFi.localIP()));
WiFi.mode(WIFI_STA);
ThingSpeak.begin(client);}
void loop() {
TempAndHumidity data = dhtSensor.getTempAndHumidity();//…………………………………………….
ThingSpeak.setField(1,data.temperature);//……………………………………………………………………
ThingSpeak.setField(2,data.humidity);//……………………………………………………………………….
int x = ThingSpeak.writeFields(myChannelNumber,myApiKey);//…………………………………………..
Serial.println("Temp: " + String(data.temperature, 2) + "°C");//………………………………………………
Serial.println("Humidity: " + String(data.humidity, 1) + "%");//………………………………………………
if(x == 200){
Serial.println("Data pushed successfull");
}else{
Serial.println("Push error" + String(x));}
Serial.println("---");
delay(15000);}