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[on:]

Hi, I'm trying to create this project I found on fritzing and I'm having issues. Project: http://fritzing.org/projects/ir-obot/
When ever I press right on my remote it freezes and on the serial monitor, the hex value is always 0. This only happens when I press right on the remote. I've tried different buttons on the remote and it just wont work. The IRremote library worked great and it always works. Thats what I used to get the HEX values.Anyone wanna help?

Please reply,
Gobi
P.S. I've never received my motor shield yet, just testing out the code.

Code:

#include <IRremote.h>
#include <IRremoteInt.h>

// Robot With IR remote
// by Neil Hendrick
//

//this imports the IR Library (must be present in libraries folder)
int dirbpinB = 13; // Direction pin for motor B is Digital 13
int speedbpinB = 11; // Speed pin for motor B is Digital 11 (PWM)
int dirbpinA = 12; // Direction pin for motor A is Digital 12
int speedbpinA = 3; // Speed pin for motor A is Digital 3 (PWM)
int speed = 100;
int dir = 0;
int RECV_PIN = 10;    // IR receiver
IRrecv irrecv(RECV_PIN);
decode_results results;
  
void setup()
{
pinMode(dirbpinB, OUTPUT);
pinMode(dirbpinA, OUTPUT);
    7
Serial.begin(9600); //begin serial connection, prints output to your PD
irrecv.enableIRIn(); // Start the receiver

}

void loop(){ //start loop
    if (irrecv.decode(&results)) {
    if (results.value == 0xBEEC847B) { //UP forward
digitalWrite(dirbpinB, 1); // set direction
digitalWrite(dirbpinA, 1); // set direction
analogWrite(speedbpinB, speed); // set speed (PWM)
analogWrite(speedbpinA, speed); // set speed (PWM)
    }// close UP
     else if (results.value == 0xBEECA45B) { //DOWN backward
digitalWrite(dirbpinB, 0); // set direction
digitalWrite(dirbpinA, 0); // set direction
analogWrite(speedbpinB, speed); // set speed (PWM)
analogWrite(speedbpinA, speed); // set speed (PWM)
     }
     else if (results.value == 0xBEEC44BB) { //LEFT
digitalWrite(dirbpinB, 1); // set direction
digitalWrite(dirbpinA, 1); // set direction
analogWrite(speedbpinB, speed); // set speed (PWM)
analogWrite(speedbpinA, 50); // set speed (PWM)
     }
     else if (results.value == 0xBEEC24DB) { //RIGHT
digitalWrite(dirbpinB, 1); // set direction
digitalWrite(dirbpinA, 1); // set direction
analogWrite(speedbpinB, 50); // set speed (PWM)
analogWrite(speedbpinA, speed); // set speed (PWM)
     }
     else if (results.value == 0xBEECC43B) { //STOP *
analogWrite(speedbpinB, 0); // set speed (PWM)
analogWrite(speedbpinA, 0); // set speed (PWM)
     }
     else if (results.value == 0xBEECCA35) { // Spin Left RW
digitalWrite(dirbpinB, 1); // set direction
digitalWrite(dirbpinA, 0); // set direction
analogWrite(speedbpinB, speed); // set speed (PWM)
analogWrite(speedbpinA, speed); // set speed (PWM)
     }
     else if (results.value == 0xBEEC2AD5) { //Spin Right FF
digitalWrite(dirbpinB, 0); // set direction
digitalWrite(dirbpinA, 1); // set direction
analogWrite(speedbpinB, speed); // set speed (PWM)
analogWrite(speedbpinA, speed); // set speed (PWM)
     }
    Serial.println(results.value, HEX); //sends the IR code to computer so you can see what codes you are sending
    irrecv.resume(); // Receive the next value  
    
    }//close first IF "if (irrecv.decode(&results)){"
} //close loop

Moderator edit: CODE TAGS

[Reply #1 on:]

Which remote are you using ? I am guessing its protocol is not yet supported by the IRLib

[Reply #2 on:]

Try a different remote.

[Reply #3 on:]

Nope, I also tried a Sony remote which I'm sure that is supported. Do you think its because I didn't plugin my motor shield yet? Its coming in the mail and its going to take days or weeks.

[Reply #4 on:]

hmm looks like it should work... but this is how i did it: http://dduino.blogspot.com/2012/01/ir-tv-remote-controlled-arduino-robot.html

[Reply #5 on:]

That project uses servos, I got no servos. I want to use a motor shield. How can I possibly do that?

[Reply #6 on:]

just a matter of moving the code around...

[Reply #7 on:]

I'm a beginner, can you please help me move the code around so I can use it with an Arduino?

[Reply #8 on:]

so is everyone going to write your code for you?

Code:

#include <IRremote.h>
long int Buttons[7] = {
  3203171451,  //0Up  in decimal
  3203179611,  //1Down 
  3203155131,  //2Left  //
  3203146971,  //3right  //
  3203187771,  //stop  //
  3203189301,  //spin left RW //
  3203148501  //spin right ff
 };

//-----IR-Stuff---------------------------------------------------//
int RECV_PIN = 10;
IRrecv irrecv(RECV_PIN);
decode_results results;
int BtnPressed = 0;
//----------------------------------------------------------------// 

//robotstuff
int dirbpinB = 13; // Direction pin for motor B is Digital 13
int mtrspeedbpinB = 11; // mtrspeed pin for motor B is Digital 11 (PWM)
int dirbpinA = 12; // Direction pin for motor A is Digital 12
int mtrspeedbpinA = 3; // mtrspeed pin for motor A is Digital 3 (PWM)
int mtrspeed = 100;
int dir = 0;

void setup()
{
  Serial.begin(9600);
 
  pinMode(dirbpinB, OUTPUT);
  pinMode(dirbpinA, OUTPUT);
 
  irrecv.enableIRIn(); // Start the receiver
}

void dump(decode_results *results)
{
  if (results->decode_type == NEC)
  {
    unsigned long store = (results->value);
    //Serial.println(store);
    for(int x=0; x<7; ++x)
    {
      if(store == Buttons[x])
      {
        BtnPressed = x;
       // Serial.println(x);
      }
    }
  }
}

void loop()
{
  if (irrecv.decode(&results))
  {
    dump(&results);
    if(BtnPressed == 0) //up
    {
      Serial.println("up");
      digitalWrite(dirbpinB, 1); // set direction
      digitalWrite(dirbpinA, 1); // set direction
      analogWrite(mtrspeedbpinB, mtrspeed); // set mtrspeed (PWM)
      analogWrite(mtrspeedbpinA, mtrspeed); // set mtrspeed (PWM)
    }
    else if(BtnPressed == 1) //down
    {
      Serial.println("down");
      digitalWrite(dirbpinB, 0); // set direction
      digitalWrite(dirbpinA, 0); // set direction
      analogWrite(mtrspeedbpinB, mtrspeed); // set mtrspeed (PWM)
      analogWrite(mtrspeedbpinA, mtrspeed); // set mtrspeed (PWM)
    }
    else if(BtnPressed == 2) //left
    {
      Serial.println("left");
      digitalWrite(dirbpinB, 1); // set direction
      digitalWrite(dirbpinA, 1); // set direction
      analogWrite(mtrspeedbpinB, mtrspeed); // set mtrspeed (PWM)
      analogWrite(mtrspeedbpinA, 50); // set mtrspeed (PWM)
    }
    else if(BtnPressed == 3) //right
    {
      Serial.println("right");
      digitalWrite(dirbpinB, 1); // set direction
      digitalWrite(dirbpinA, 1); // set direction
      analogWrite(mtrspeedbpinB, 50); // set mtrspeed (PWM)
      analogWrite(mtrspeedbpinA, mtrspeed); // set mtrspeed (PWM)
    }
    else if(BtnPressed == 4) //stop
    {
      Serial.println("stop");
      analogWrite(mtrspeedbpinB, 0); // set mtrspeed (PWM)
      analogWrite(mtrspeedbpinA, 0); // set mtrspeed (PWM)
    }
    else if(BtnPressed == 5) //Spin Left RW
    {
      Serial.println("Spin Left");
      digitalWrite(dirbpinB, 1); // set direction
      digitalWrite(dirbpinA, 0); // set direction
      analogWrite(mtrspeedbpinB, mtrspeed); // set mtrspeed (PWM)
      analogWrite(mtrspeedbpinA, mtrspeed); // set mtrspeed (PWM)
    }
    else if(BtnPressed == 6) //Spin Right FF
    {
      Serial.println("Spin Right");
      digitalWrite(dirbpinB, 0); // set direction
      digitalWrite(dirbpinA, 1); // set direction
      analogWrite(mtrspeedbpinB, mtrspeed); // set mtrspeed (PWM)
      analogWrite(mtrspeedbpinA, mtrspeed); // set mtrspeed (PWM)
    }
    irrecv.resume(); // Receive the next value
  }
}

[Reply #9 on:]

Well, no. I'm very pleased that you helped me write this code. Thank you so much. I'm still learning how to do this so it will take a while. But thank you!

[Reply #10 on:]

u knw softserial.... ? if so...pls tell me how to use it....

[Reply #11 on:]

random... but yeah, for what?

[Reply #12 on:]

Hey, sorry for the late post, the code still doesn't work. I'm still not sure how to fix this problem. The code you gave me has the same problem. When ever I press right, it gets stuck and doesn't work. On the serial monitor it just shows right. Do I need a motor shield? I'm still waiting for it in the mail.

[Reply #13 on:]

can you press all the other buttons and make left/down etc show up in serial? it should still work without the motor controller.

[Reply #14 on:]

What do your serial debug prints tell you?