Project tutorial

Remote Controlled Bulb With Arduino © GPL3+

In this project I am going guide you through how to make a bulb or any appliance controlled by a TV remote, and show how to get hex codes.

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Components and supplies

Apps and online services

About this project

Step 1: Gather:

  • Arduino
  • Breadboard
  • Jumpers
  • Relay
  • TSOP or IR receiver
  • Bi-colored LED (You can use 2 LEDs for this)

Step 2: Setting up the receiver

  • Arduino D2 => TSOP OUT
  • Arduino 5v => TSOP +
  • Arduino GND => TSOP GND

Now I will show you how to get hex codes from the TV remote:

Go to examples>IRremote>IRrecvdemo

if the library not installed install from here (after you install the zip file go to sketch>include library>Add .ZIP library and show it where you put you zip file)

Upload the code and open the serial monitor make sure that you are selecting the correct COM port

take your TV remote and press any button

you will get a hex code. Write it down and add 0x to the code you got

you will need it

my code is 0x14EB18E7

Step 3 Connect the Relay:

connect the relay

relay vcc => arduino 5v

relay GND => arduino GND

relay IN => arduino 8

relay COM => BULB

relay NO => AC +

BULB => AC -

Step 4 Connect the leds:

connect 9 and 10 to 2 led like shown. I have a bi-colored led so I will use that

LED1 + => 9

LED2 + => 10

LED1 - => GND

LED2 - => GND

Step 5 Upload the code:

don't forget to change the hex code. type your hex code where i typed 0x14EB18E7 in the sketch on the code tab

see my other projects here

Thank you

how to make a capacitance alarm with arduino - check it out

Schematics

schematics
schematics
myirproject_QKx19zmXkH.fzz

Code

upload this code to arduinoArduino
CODE
#include <boarddefs.h>
#include <IRremote.h>
#include <IRremoteInt.h>
#include <ir_Lego_PF_BitStreamEncoder.h>

int receiver = 2; // Signal Pin of IR receiver to Arduino Digital Pin 11
bool hit = false;

/*-----( Declare objects )-----*/
IRrecv irrecv(receiver);     // create instance of 'irrecv'
decode_results results;      // create instance of 'decode_results'

void setup()   /*----( SETUP: RUNS ONCE )----*/
{
  Serial.begin(9600);
  Serial.println("IR Receiver Button Decode"); 
  irrecv.enableIRIn(); // Start the receiver
  pinMode(8,OUTPUT);
  pinMode(10,OUTPUT);
  pinMode(9,OUTPUT);

}/*--(end setup )---*/


void loop()   /*----( LOOP: RUNS CONSTANTLY )----*/
{
  if (irrecv.decode(&results)) // have we received an IR signal?

  {
    translateIR(); 
    irrecv.resume(); // receive the next value
  }  
}/* --(end main loop )-- */

/*-----( Function )-----*/
void translateIR() // takes action based on IR code received

// describing Remote IR codes 

{

  if (results.value==0x14EB18E7){ // use the code you got in IRrecvdemo sketch here
     hit = !hit;
  }
  if (hit==true) {
    digitalWrite(10,LOW);
    digitalWrite(8,HIGH);
    digitalWrite(9,HIGH);
  }
  else {
    digitalWrite(9,LOW);
    digitalWrite(8,LOW);
    digitalWrite(10,HIGH);
  }

  delay(100); // Do not get immediate repeat


} 

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