IOT (internet of things) how they work and implemneted using Arduino Controller and HC-06 Bluetooth & IR Remote with IR Sensor

IoT is very famous in today’s era many application works on this technology and we have seen much application such as car automation, room automation, smart home, and smart parking systems, etc. Ever thought how all this happen? How this IoT works?

Quite simple for instant making communication between hardware and software using some communication channel is known as IoT (internet of things) this is a very general definition and explained in very simple words. Now, how to can we implement it? Simple by using some components such as controller which we will program using some programming language such as C, C#, Python, C++ etc. communication devices which compatible with a microcontroller such as HC-06 Bluetooth  module, Wifi module and IR Sensor with IR remote. 

We can easily make communication between hardware and software (any application which controls hardware) using any of the aforementioned components for communication. For instant, we have used IR remote and IR sensors in our experiment for turning the different LEDs on and off.

Our experimental setup is shown below having different LEDs and breadboard IR sensor connected with Arduino microcontroller and IR remote which actually communicates with the Board using the IR sensor. The sensor will read the input then the input will convert and switch condition will execute the instruction such as on the LED or off the LED code for the implementation is given below.

 Experimental Setup:

Code for implementation:

#include <IRremote.h>

//Define Pins

int redLed = 5;

int yellowLed = 4;

int greenLed = 3;

int blueLed = 2;

int RECV_PIN = 11;

//IR Library stuff

IRrecv irrecv(RECV_PIN);

decode_results results;

void setup()

{

  //Set Led Pins

  pinMode(redLed, OUTPUT);

  pinMode(yellowLed, OUTPUT);

  pinMode(greenLed, OUTPUT);

  pinMode(blueLed, OUTPUT);

  

  //Enable serial usage and IR signal in

  Serial.begin(9600);

  Serial.println("Enabling IRin");

  irrecv.enableIRIn(); 

  Serial.println("Enabled IRin");

}

void loop() {

  if (irrecv.decode(&results)) {//irrecv.decode(&results) returns true if anything is recieved, and stores info in varible results

    unsigned int value = results.value; //Get the value of results as an unsigned int, so we can use switch case

    Serial.println(value);

    switch (value) {

      case 2295: 

      digitalWrite(redLed, HIGH);

      delay(500);

      digitalWrite(redLed, LOW);

      break;

      

      case 34935:

      digitalWrite(yellowLed, HIGH);

      delay(500);

      digitalWrite(yellowLed, LOW);

      break;

      

      case 18615:

      digitalWrite(greenLed, HIGH);

      delay(500);

      digitalWrite(greenLed, LOW);

      break;

      

      case 10455:

      digitalWrite(blueLed, HIGH);

      delay(500);

      digitalWrite(blueLed, LOW);

    }

    

    

    irrecv.resume(); // Receive the next value

  }

}

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