Light_Control.ino

/****************************************
 * Include Libraries
 ****************************************/
#include "UbidotsESPMQTT.h"
#include <Servo.h>

/****************************************
 * Define Constants
 ****************************************/
#define TOKEN "assign_your_ubidots_token" // Your Ubidots TOKEN
#define WIFINAME "assign_your_wifi_ssid" //Your SSID
#define WIFIPASS "assign_your_wifi_pass" // Your Wifi Pass

Servo myservo;

int sensorPin = A0;
int ledPin = D5;
int relayPin = D3;

int state;
int lightState;

Ubidots client(TOKEN);

/****************************************
 * Auxiliar Functions
 ****************************************/

void callback(char* topic, byte* payload, unsigned int length) {
  Serial.print("Message arrived [");
  Serial.print(topic);
  Serial.print("] ");
  
  for (int i=0;i<length;i++) {
    Serial.print((char)payload[i]);
  }
  Serial.println();
   if ((char)payload[0]=='1'){
    digitalWrite(relayPin, HIGH);
  }
   else if ((char)payload[0]=='0'){
    digitalWrite(relayPin, LOW);
  } 
}

/****************************************
 * Main Functions
 ****************************************/

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  client.wifiConnection(WIFINAME, WIFIPASS);
  client.begin(callback);
  myservo.attach(D8);
  pinMode(ledPin, OUTPUT);
  pinMode(relayPin, OUTPUT);
  client.ubidotsSubscribe("manual", "extra_light"); //Insert the dataSource and Variable's Labels
  }

void loop() {
  // put your main code here, to run repeatedly:
  if(!client.connected()){
      client.reconnect();
      client.ubidotsSubscribe("manual", "extra_light"); //Insert the dataSource and Variable's Labels
      }
      
      state = analogRead(sensorPin);
      lightState = digitalRead(ledPin);

      if (state <= 50) {
        digitalWrite(ledPin, HIGH);
        client.add("light", lightState);
        myservo.write(180);
        client.add("blind", 0);
        client.ubidotsPublish("Control");
        Serial.println("Night - Light ON, Blinds down.");
      } else {
        digitalWrite(ledPin, LOW);
        client.add("light", lightState);
        myservo.write(0);
        client.add("blind", 1);
        client.ubidotsPublish("Control");
        Serial.println("Day - Light OFF, Blinds up.");
      }  
  client.add("luminosity", state); //Insert your variable Labels and the value to be sent
  client.ubidotsPublish("Control");
  client.loop();
}