Help for Grove starter kit IR receiver and emitter codes

I have a very important question to ask here. I tried using the library codes that was found on Seeedstudio for arduino starter kit on IR emitter and receiver. Everything when smoothly when i tried to compile the program. However there is one particular problem that i faced. How can i make an LED to as an output by using the codes that i tried to modify. I cannot seem to turn the LED light on.

(Infrared emitter code)
#include <IRSendRev.h>

void setup()
{
enableIROut(38);
}
//unsigned char d[] = {9, 90, 91, 11, 31, 4, 1, 2, 3, 4};
unsigned char d[] = {15, 70, 70, 20, 60, 10, 1, 2, 3, 4,5,6,7,8,9,10};
//Very Important:
//the first parameter(15): the data that needs to be sent;
//the next 2 parameter(70,70): the logic high and low duration of "Start";
//the next 2 parameter(20,60): the logic "short" and "long"duration in the communication
// that to say: if "0", the high duration is 20ms and low is 20 ms; while logic "1",
// the high duration is 20 ms and low is 60 ms;
//the next 2 parameter(10): number of data you will sent;
//the next parameter(1, 2, 3, 4,5,6,7,8,9,10): data you will sent ;
void loop()
{
IR.Send(d, 38);//sent the data via 38Kz IR
delay(1000);
}

(Infrared receiver code)
#include <IRSendRev.h>
//#include <IRSendRevInt.h>
int led = 2 ;
void setup()
{
pinMode(led, OUTPUT);
IR.Init(A3);

}

unsigned char dta[20];

void loop()
{
if(IR.IsDta())
{
// IR.Recv(dta);
int length= IR.Recv(dta);
for (int i =0;i<length;i++)
{
digitalWrite(led, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(led, LOW); // turn the LED off by making the voltage LOW
delay(1000);
}

// Very Important:
// the received data is comprised of the trsmission parameters , please refer to
// the sendTest.ino in the library ;
}

Alaniah:
I have a very important question to ask here. I tried using the library codes that was found on Seeedstudio for arduino starter kit on IR emitter and receiver. Everything when smoothly when i tried to compile the program. However there is one particular problem that i faced. How can i make an LED to as an output by using the codes that i tried to modify. I cannot seem to turn the LED light on.

(Infrared emitter code)
#include <IRSendRev.h>

void setup()
{
enableIROut(38);
}
//unsigned char d[] = {9, 90, 91, 11, 31, 4, 1, 2, 3, 4};
unsigned char d[] = {15, 70, 70, 20, 60, 10, 1, 2, 3, 4,5,6,7,8,9,10};
//Very Important:
//the first parameter(15): the data that needs to be sent;
//the next 2 parameter(70,70): the logic high and low duration of "Start";
//the next 2 parameter(20,60): the logic "short" and "long"duration in the communication
// that to say: if "0", the high duration is 20ms and low is 20 ms; while logic "1",
// the high duration is 20 ms and low is 60 ms;
//the next 2 parameter(10): number of data you will sent;
//the next parameter(1, 2, 3, 4,5,6,7,8,9,10): data you will sent ;
void loop()
{
IR.Send(d, 38);//sent the data via 38Kz IR
delay(1000);
}

(Infrared receiver code)
#include <IRSendRev.h>
//#include <IRSendRevInt.h>
int led = 2 ;
void setup()
{
pinMode(led, OUTPUT);
IR.Init(A3);

}

unsigned char dta[20];

void loop()
{
if(IR.IsDta())
{
// IR.Recv(dta);
int length= IR.Recv(dta);
for (int i =0;i<length;i++)
{
digitalWrite(led, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(led, LOW); // turn the LED off by making the voltage LOW
delay(1000);
}

// Very Important:
// the received data is comprised of the trsmission parameters , please refer to
// the sendTest.ino in the library ;
}

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I tried using the library codes that was found on Seeedstudio for arduino starter kit on IR emitter and receiver.

If you want help, you will post a link to the library. You will NOT expect us to go look for it.