#include <WiFi.h>
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
#include <ThingSpeak.h>
#include <DHTesp.h>
#define pino_dht 4
DHTesp dhtSensor;
WiFiClient  client;
unsigned long myChannelNumber = 2969983;
const char * myWriteAPIKey = "5KHKFBIAEAYR39JV";

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);

int number = 0;

void setup() {
  
  WiFi.mode(WIFI_STA);   
  ThingSpeak.begin(client);  // Initialize ThingSpeak
Serial.begin(115200);
 LCD.init();
 LCD.backlight();
 LCD.setCursor(0, 0);
 LCD.print("Conectando…");
 LCD.setCursor(0, 1);
 LCD.print("WiFi ");
WiFi.begin("Wokwi-GUEST", "", 6);
 while (WiFi.status() != WL_CONNECTED) {
delay(100);
Serial.print(".");
}
Serial.println("Conectado!");

dhtSensor.setup(pino_dht, DHTesp::DHT22);
}
void loop() {
 delay(250); 
 TempAndHumidity data = dhtSensor.getTempAndHumidity();
  float temperatureC = data.temperature;
  float humidity = data.humidity;

// Enviar para ThingSpeak
  ThingSpeak.setField(1, temperatureC);
  ThingSpeak.setField(2, humidity);

  int x = ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);
  if(x == 200){
    Serial.println("Channel update successful.");
  }
  else{
    Serial.println("Problem updating channel. HTTP error code " + String(x));
  }

  delay(2000); // Wait 15 seconds to update the channel again
  }