/*IR sensor Singal Pin: 9 :
   L293DNE pin 1-->nano pin 5 :
   L293DNE pin 2-->nano pin 4 :
   L293DNE pin 7-->nano pin 3 :
*/
#include <IRremote.h>
IRrecv IR(IRpin);
decode_results cmd_results;
int IRpin         = 9;
int wait          = 1500;
int speedPin      = 5;
int dir1          = 4;
int dir2          = 3;
int mSpeed        = 255;
String Direction;
String myCmd;



void setup() {
  Serial.begin(9600);
  IR.enableIRIn();
  pinMode(speedPin, OUTPUT);
  pinMode(dir1, OUTPUT);
  pinMode(dir2, OUTPUT);
  digitalWrite(dir1, LOW);
  digitalWrite(dir2, HIGH);

}

void loop() {
  digitalWrite(dir1, LOW);
  digitalWrite(dir2, HIGH);
  analogWrite(speedPin, 255);
  Serial.println("turning direction A...");
  delay(5000);
  digitalWrite(dir1, HIGH);
  digitalWrite(dir2, LOW);
  Serial.println("turning direction B...");
  analogWrite(speedPin, 255);
  delay(5000);
  for (int countdown = 255; countdown > 0; countdown--) {
digitalWrite(dir1, HIGH);
    digitalWrite(dir2, LOW);
    analogWrite(speedPin, countdown);
    Serial.println("slowing down");
    Serial.println(countdown);
    delay(20);
  }
}