#include <WiFi.h>
#include "DHTesp.h"
#include "ThingSpeak.h"
#include <Adafruit_Sensor.h>
const int DHT_PIN = 15;
const char* ssid = "Wokwi-GUEST";
const char* pass = "";
WiFiClient client;
unsigned long myChannelNumber = 2;
const char* myWriteAPIKey = "S0XW776DORDTOXM3";
const char* server = "api.thingspeak.com";
int temperatureC;
int humidity;
DHTesp dhtSensor;
const int PIN_LED_ROJO = 18;
const int PIN_LED_AZUL = 19;
void setup(){
Serial.begin(115200);
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
dhtSensor.getPin();
delay(10);
WiFi.begin(ssid, pass);
while(WiFi.status() != WL_CONNECTED){
delay(100);
Serial.println(".");
}
Serial.println("WiFi Connected!");
Serial.println(WiFi.localIP());
WiFi.mode(WIFI_STA);
ThingSpeak.begin(client);
pinMode(PIN_LED_ROJO, OUTPUT);
pinMode(PIN_LED_AZUL, OUTPUT);
}
void loop(){
temperatureC = dhtSensor.getTemperature();
Serial.print("Temperature (ºC): ");
Serial.println(temperatureC);
if (temperatureC > 30){
digitalWrite(PIN_LED_ROJO, HIGH);
}
else{
digitalWrite(PIN_LED_ROJO, LOW);
}
humidity = dhtSensor.getHumidity();
Serial.print("Humidity (%); ");
Serial.println(humidity);
if (humidity > 50){
digitalWrite(PIN_LED_AZUL, HIGH);
}
else{
digitalWrite(PIN_LED_AZUL, LOW);
}
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));
}
}