Other Arduino Codes and Videos by Robojax

Control AC bulb using any Infrared Remote with Arduino and relay Robojax.com

Control AC bulb using any Infrared Remote with Arduino and relay

This video shows you how to control AC bulb or load using any Infrared Remote Controller such as your TV remote. You need to install the library from the provided link. Also you will learn how to decode any remote controller using Arduino.

In the code you have to select type of your remote. If your remote is black, select 'B' and if your remote is white select 'W' in the code. Also you have select the type of receiver you are using. If you are using PCB version of receiver, then set PCB = 1 and set it =0 if using NON-PCB module.

Watch This video if you have any question about the code

Source for controlling AC load using Arduino


 /*
 * Original library from - http://arcfn.com
 * 
 * This Arduino code decodes any remote code and then you can control AC load using relay
 * sold on eBay for Arduino. 
 * You have to select the type of your remote as Black or White in the code bellow
 * and also select your receiver 1838 either as PCB or bare module. See video for details
 * 
 * You have to watch this video:https://youtu.be/muAkBQb24NI
 * before proceeding with this code. 
 * 
 * Modified/Written by Ahmad Shamshiri
 * on July 31, 2018 at 20:33 in Ajax, Ontario, Canada
 * for Robojax.com
 * Watch video instruction for this code:https://youtu.be/j5kb0WBpD30
 * Get other Arduino codes from Robojax.com
 * 
 */

#include <IRremote.h>

int RECV_PIN = 11;
const char type ='W';// W for white, B for black. Must keep single quotes like 'B' or 'W'
const boolean PCB = 1;// if receiver is PCB set to 1, if not set to 0. See video for details
boolean displayCode = true;// to display remote code. if not, set to false

//***** Relay settings begins
const int RELAY_PIN = 2;// 
const String ON="3";// turn relay ON with + key on remote
const String OFF="1";// turn relay OFF with - key on remote
//**** Relay settings ends

IRrecv irrecv(RECV_PIN);


// this is array holding codes for White Remote when used with PCB version of receiver
unsigned int whiteRemotePCB[] ={
            0xE318261B, // CH-
            0x511DBB,   // CH
            0xEE886D7F,  // CH+

            0x52A3D41F, // |<<
            0xD7E84B1B, // >>|
            0x20FE4DBB, // >||          

            0xF076C13B, // -
            0xA3C8EDDB, // +
            0x12CEA6E6, // EQ

            0xC101E57B, // 0
            0x97483BFB, // 100+
            0xF0C41643, // 200+

            0x9716BE3F, // 1
            0x3D9AE3F7, // 2
            0x6182021B, // 3           

            0x8C22657B, // 4 
            0x488F3CBB, // 5
            0x449E79F,  // 6

            0x32C6FDF7, // 7
            0x1BC0157B, // 8
            0x3EC3FC1B  // 9                          
            };

// this is array holding codes for White Remote when used with non-PCB version of receiver            
unsigned int whiteRemote[] ={
            0xFFA25D, // CH-
            0xFF629D,   // CH
            0xFFE21D,  // CH+

            0xFF22DD, // |<<
            0xFF02FD, // >>|
            0xFFC23D, // >||          

            0xFFE01F, // -
            0xFFA857, // +
            0xFF906F, // EQ

            0xFF6897, // 0
            0xFF9867, // 100+
            0xFFB04F, // 200+

            0xFF30CF, // 1
            0xFF18E7, // 2
            0xFF7A85, // 3           

            0xFF10EF, // 4 
            0xFF38C7, // 5
            0xFF5AA5,  // 6

            0xFF42BD, // 7
            0xFF4AB5, // 8
            0xFF52AD  // 9                          
            };
// key lables of white remote
 String whiteRemoteKey[] ={
            "CH-",
            "CH",
            "CH+",

            "|<<",
            ">>|",
            ">||",

            "-",
            "+",
            "EQ",

            "0",
            "100+",
            "200+",

            "1",
            "2",
            "3",

            "4",
            "5",
            "6",

            "7",
            "8",
            "9"
            };

// this is array holding codes for Black Remote when used with non-PCB version of receiver
 unsigned int blackRemote[] ={
            0xFF629D, // ^
            0xFF22DD,   // <
            0xFF02FD,  // OK
            0xFFC23D, // >
            0xFFA857, // v

            0xFF6897, // 1
            0xFF9867, // 2
            0xF0C41643, // 3           

            0xFF30CF, // 4 
            0xFF18E7, // 5
            0xFF7A85,  // 6

            0xFF10EF, // 7
            0xFF38C7, // 8
            0xFF5AA5,  // 9 

            0xFF42BD, // *
            0xFF4AB5, // 0
            0xFF52AD  // #                                      
            };

// this is array holding codes for Black Remote when used with PCB version of receiver
 unsigned int blackRemotePCB[] ={
            0x511DBB, // ^
            0x52A3D41F,   // <
            0xD7E84B1B,  // OK
            0x20FE4DBB, // >
            0xA3C8EDDB, // v


            0xC101E57B, // 1
            0x97483BFB, // 2
            0xF0C41643, // 3           

            0x9716BE3F, // 4 
            0x3D9AE3F7, // 5
            0x6182021B,  // 6

            0x8C22657B, // 7
            0x488F3CBB, // 8
            0x449E79F,  // 9 

            0x32C6FDF7, // *
            0x1BC0157B, // 0
            0x3EC3FC1B  // #                                      
            };

// Black remote key names
 String blackRemoteKey[] ={
            "^",
            "<",
            "OK",
            ">",
            "v",

            "1",
            "2",
            "3",

            "4",
            "5",
            "6",

            "7",
            "8",
            "9",
            
            "*",
            "0",
            "#"
            };

decode_results results;


void setup()
{
  Serial.begin(9600);
  // In case the interrupt driver crashes on setup, give a clue
  // to the user what's going on.
  Serial.println("Robojax IR Decode");
  Serial.println("Control Relay with Remote");
  irrecv.enableIRIn(); // Start the receiver

  pinMode(RELAY_PIN,OUTPUT);// define a pin for relay as OUTPUT
  digitalWrite(RELAY_PIN, HIGH);// set relay to OFF at the begining
}

void loop() {

  if (irrecv.decode(&results)) {
    if(displayCode)Serial.println(results.value, HEX);
    robojaxValidateCode(results.value);// used the "robojaxValidateCode" bellow
    irrecv.resume(); // Receive the next value
  }
  delay(100);
}

/*
 * function: robojaxValidateCode
 * validates the remote code and prints correct key name
 * cd is code poassed from the loop
 * Written by A. S. for Robojax
 */
void robojaxValidateCode(int cd)
{

  // Robojax IR Remote decoder
  int found=0;

 if(type =='W' && !PCB)
 {
    // Robojax IR White Remote decoder
    // if tyepe is set to 'W' (white remote) and PCB=0 then check Black remote code
      for(int i=0; i< sizeof(whiteRemote)/sizeof(int); i++)
      {
        if(whiteRemote[i] ==cd)
        {
          
          Serial.print("Key pressed:");
          Serial.println(whiteRemoteKey[i]);
          relayAction(whiteRemoteKey[i]);// take action
          found=1;
        }// if matched
      }// for
 }else if(type =='W' && PCB){
    // Robojax IR White Remote decoder
    // if tyepe is set to 'W' (white remote) and PCB=1 then check Black remote code
      for(int i=0; i< sizeof(whiteRemotePCB)/sizeof(int); i++)
      {
        if(whiteRemotePCB[i] ==cd)
        {
          
          Serial.print("Key pressed:");
          Serial.println(whiteRemoteKey[i]);
          relayAction(whiteRemoteKey[i]);// take action 
          found=1;
        }// if matched
      }// for  
 }else if(type =='B' && PCB){
    // Robojax IR White Remote decoder
       // if tyepe is set to 'B' (black remote) and PCB=1 then check Black remote code
       for(int i=0; i< sizeof(blackRemotePCB)/sizeof(int); i++)
      {
        // Robojax IR black Remote decoder
        if(blackRemotePCB[i] ==cd)
        {

          Serial.print("Key pressed:");
          Serial.println(blackRemoteKey[i]);
         relayAction(blackRemoteKey[i]);// take action     
          found=1;
        }// if matched
      }// for   
 }else{

      // if tyepe is set to 'B' (black remote) and PCB =0 then check Black remote code
       for(int i=0; i< sizeof(blackRemote)/sizeof(int); i++)
      {
        // Robojax IR black Remote decoder
        if(blackRemote[i] ==cd)
        {

          Serial.print("Key pressed:");
          Serial.println(blackRemoteKey[i]);
          relayAction(blackRemoteKey[i]);// take action          
    
          found=1;
        }// if matched
      }// for  
 }// else
  if(!found){
    if(cd !=0xFFFFFFFF)
      {
    Serial.println("Key unkown");
      }
  }// found
}// robojaxValidateCode end

/*
 * 
 * relayAction()
 * receives string "value" as input and based on the settings, 
 * turns relya pin HIGH or LOW
 */
void relayAction(String value)
{
  // Robojax IR Relay control
   if(value == ON)
   {
    digitalWrite(RELAY_PIN, LOW);// Turn relay ON
    Serial.println("Relay Turned ON");
   }

   if(value == OFF)
   {
    digitalWrite(RELAY_PIN, HIGH);// Turn relay OFF
    Serial.println("Relay Turned OFF");
   }
}//relayAction end