Homeyduino multi sensor: Co2-LDR-DHT11

// Code aangepast voor Homeyduino door Domoticablog https://huisvanvandaag.nl. 
// Kijk op de site voor meer Homeyduino en andere Smart Home gerelateerde posts.

#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <Homey.h>
#include <SimpleDHT.h>
#include <SoftwareSerial.h>
#include <MHZ.h>

#define PIN_DHT D4 // DHT11 
SimpleDHT11 dht11; // DHT11

#define CO2_IN D2 // D2 19 // Co2 
#define MH_Z19_RX D6  // Co2
#define MH_Z19_TX D5  // Co2 
MHZ co2(MH_Z19_RX, MH_Z19_TX, CO2_IN, MHZ19B); // Co2

unsigned long previousMillis = 0; // DHT11
const unsigned long interval = 10000; //Interval in milliseconds // DHT11

int LDRsensor = A0; // LDR

void wifi() {
  if (WiFi.status() != WL_CONNECTED) {
    WiFi.begin("<SSID>", "<PASSWORD>"); // Vul hier je WiFi netwerk en wachtwoord in 
    uint8_t timeout = 30;
    while (WiFi.status() != WL_CONNECTED) {
      delay(500);
      Serial.print(".");
      if (timeout<1) break;
    }
    if (WiFi.status() == WL_CONNECTED) {
      //Print IP address
      Serial.print("Connected to WiFi! (");
      Serial.print(WiFi.localIP());
      Serial.println(")");
    }
  }
}

void setup() { // DHT11
  Serial.begin(9600);
  Homey.begin("LDR-DHT11-Co2 Multi-sensor");
  Homey.setClass("sensor");
  Homey.addCapability("measure_humidity"); // DHT11
  Homey.addCapability("measure_temperature");// DHT11
  Homey.addCapability("measure_co2"); // Co2 
  pinMode(CO2_IN, INPUT); // Co2
  Homey.addCapability("measure_luminance"); // LDR
}

  
 void  co2loop() { // void voor Co2
  wifi(); // Beide
  Homey.loop(); // Beide
  int ppm_pwm = co2.readCO2PWM();
  Serial.print("PPMpwm: ");
  Serial.print(ppm_pwm);
  Homey.setCapabilityValue("measure_co2", (int) ppm_pwm); 

Serial.println("\n------------------------------");
  delay(5000);
 }


void dhtloop() { // void voor DHT11
  wifi(); // Beide
  Homey.loop(); // Beide
   unsigned long currentMillis = millis(); // DHT11
  if(currentMillis - previousMillis > interval) { // DHT11
    previousMillis = currentMillis; // DHT11
    updateSensor(); // DHT11
  }
}

void updateSensor() { // DHT11
  byte temperature = 0; // DHT11
  byte humidity = 0; // DHT11
  int err = SimpleDHTErrSuccess; // DHT11
  if ((err = dht11.read(PIN_DHT, &temperature, &humidity, NULL)) != SimpleDHTErrSuccess) { // DHT11
    Serial.print("Read DHT11 failed, err="); Serial.println(err); // DHT11
    return; // DHT11
  }

  Serial.print((int)temperature); Serial.print(" *C, "); // DHT11
  Serial.print((int)humidity); Serial.println(" H"); // DHT11

  Homey.setCapabilityValue("measure_temperature", (int) temperature); // DHT11
  Homey.setCapabilityValue("measure_humidity", (int) humidity); // DHT11

}
void ldrloop() {
    wifi();
  Homey.loop();
  Serial.print("LDR waarde: ");
  Serial.print(analogRead( LDRsensor));
  Serial.println("");
  Homey.setCapabilityValue("measure_luminance", analogRead( LDRsensor));
  delay(1000); // wacht 1 minuut 60000 ms
}
void loop(){ // Beide
dhtloop();    //maakt er twee aparte voids aan, één per originele code
co2loop();      //maakt er twee aparte voids aan, één per originele code
ldrloop();      //maakt er twee aparte voids aan, één per originele code
}