[SOLVED] Problems receiving ir signals from a remote unit

Other Hardware Sensors
21

for some reason if I press button 1 I get 9.
If I press another button I get its code but then get 9 again?
AS if it isrepeating button 1?

22

How much time do you spend on a problem? It takes more than one minute, usually.

23

I have spent days on this and the period before I finally got a signal I just spent 2 hours trying stuff. I think I am nearly there but just need the final bit of help..

24

See reply #20

25

= is not the same as ==

Try these changes.

//Install IRremote Version 3.3.0
#include <IRremote.h>                        // Ver 3.3.0 <-------<<<<<<<

#define DECODE_NEC

const byte IR_RECEIVE_PIN = 5;               //<-------<<<<<  your receive pin


//******************************************************************************************
void setup()
{
  Serial.begin(115200);                      //<-------<<<<<  your baud rate
  
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(12, OUTPUT);

  IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK);

} //END of   setup()


//******************************************************************************************
void loop()
{
  //*********************************
  if (IrReceiver.decode())
  {
    if (IrReceiver.decodedIRData.protocol == UNKNOWN)
    {
      Serial.println(F("Received noise or an unknown (or not yet enabled) protocol"));
      // We have an unknown protocol here, print more info
      IrReceiver.printIRResultRawFormatted(&Serial, true);
    }

    if (IrReceiver.decodedIRData.command != 0)
    {
      Serial.print("Code: ");
      Serial.println(IrReceiver.decodedIRData.command);


      if (IrReceiver.decodedIRData.command == 9)
      {
        digitalWrite(12, HIGH);
        Serial.println("HERE");
      }
      
      else if (IrReceiver.decodedIRData.command == 29)
      {
        digitalWrite(12, LOW);
      }

      //if we need to block repeat codes
      IrReceiver.decodedIRData.command = 0;
    }

    IrReceiver.resume(); // Enable receiving of the next value
  }

} //END of   loop()


//******************************************************************************************
26

That's got it.
I had the debounce line in the wrong place.
I added

    Serial.println("AND HERE");

to the second instruction and I get it showing on the monitor as well.
I am now going to bed but will look further at enhancing the sketch and get back to reporting on my progress and mark this as solved if I feel I understand it well enough tomorrow.
Thanks so much for the help.

27

Have a good one

:yawning_face: :sleeping_bed: :sleeping:

28

I think this has done it.
I have posted the finished article in case someone else wants to try it.

//Install IRremote Version 3.3.0
//original taken from post 25 of 
//https://forum.arduino.cc/t/problems-receiving-ir-signals-from-a-remote-unit/1109255/18
//thanks LarryD

#include <IRremote.h>                        // Ver 3.3.0 <-------<<<<<<<
//#define DECODE_NEC
#define DECODE_SAMSUNG
const byte IR_RECEIVE_PIN = 5; //  receive pin
void setup()
{
  Serial.begin(9600);  // baud rate
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(12, OUTPUT);
  IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK);//use pin 13
} //END of   setup()
void loop()
{
  if (IrReceiver.decode())
  {
    if (IrReceiver.decodedIRData.protocol == UNKNOWN)
    {
      Serial.println(F("Received noise or an unknown (or not yet enabled) protocol"));
      // We have an unknown protocol here, print more info
      IrReceiver.printIRResultRawFormatted(&Serial, true);
    }
    if (IrReceiver.decodedIRData.command != 0)
    {
      Serial.print("Code: ");
      Serial.println(IrReceiver.decodedIRData.command);
      if (IrReceiver.decodedIRData.command == 4)
      {
        Serial.println("HERE");
      }
      else if (IrReceiver.decodedIRData.command == 5)
      {
          Serial.println("AND HERE");
      }
      //if we need to block repeat codes
      IrReceiver.decodedIRData.command = 0;
    }
    IrReceiver.resume(); // Enable receiving of the next value
  }
} //END of   loop()

Thanks LarryD and others.