DPRE - Enviar datos analogicos a ThingSpeak

demo_thingspeak.ino

#include <ESP8266WiFi.h>
#include "ThingSpeak.h"

const char* ssid = "X";
const char* password = "X";

WiFiClient client;

unsigned long numeroCanal = X;
const char* apiKey = "X";

void setup() {
  Serial.begin(115200); //9600
  
  WiFi.begin(ssid,password);
  Serial.print("Conectando");
  
  while(WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(100); 
  }

  Serial.println("Conectado");
  Serial.print("DIRECCION IP:");
  Serial.println(WiFi.localIP());

  ThingSpeak.begin(client);

}

void loop() {
  //unsigned long tiempo = millis();
  int valor = analogRead(0);
  int x = ThingSpeak.writeField(numeroCanal, 1, valor, apiKey );
  if(x == 200) {
    Serial.println("Actualizacion correcta");
  } else {
    Serial.println("Se produjo un problema. HTTP Codigo de error"+String(x));
  }
 

  delay(10000);
}