Project 11 IR Remote Control Smart Car

1.Description

In this project, we will work to control the car using an IR remote control.

2.Flow Diagram

3.Test Code

#include "MecanumCar_v2.h"
mecanumCar mecanumCar(20, 21);  //sda-->20,scl-->21

#include "ir.h"
IR IRreceive(6);//IR receiver is connected to GP6

void setup()
{
  mecanumCar.Init(); //Initialize the seven-color LED and motor drive
}

void loop() 
{
  int key = IRreceive.getKey();
  if (key != -1) 
  {
    Serial.println(key);
    switch (key)
    {
      case 64: mecanumCar.Stop();       break;  //Stop
      case 70: mecanumCar.Advance();    break;  //Advance
      case 21: mecanumCar.Back();       break;  //Move back
      case 68: mecanumCar.Turn_Left();  break;  //Turn left
      case 67: mecanumCar.Turn_Right(); break;  //Turn right
    }
  }
}

4.Test Result

Uploading the test code and powering up. When we press the buttonon the remote control, the car moves forward, then , the car turns left, ,the car moves back,, the car turns right,, the car stops.

5.Code Explanation

switch (key) { case num:… break; }	The switch statement, used with case, executes the statement after case when the variable in parentheses is the value after case
case 64: mecanumCar.Stop();	The car will stop
case 70: mecanumCar.Advance();	The car will go forward
case 21: mecanumCar.Back();	The car will move back
case 68: mecanumCar.Turn_Left();	The car will turn left
case 67: mecanumCar.Turn_Right();	The car will turn right