#include <SoftwareSerial.h>
SoftwareSerial mySerial =SoftwareSerial(2, 3);

char val; // Data received from the serial port
int ledPin =1; // Set the pin to digital I/O 
void setup() 
{
pinMode(ledPin, OUTPUT); // Set pin as OUTPUT
mySerial.begin(9600);// Start serial communication at 9600 bps
}
void loop() 
{

if (mySerial.available()) 
{ 
// If data is available to read,
val = mySerial.read(); // read it and store it in val
}
if (val == '1')
{ 
// If 1 was received
digitalWrite(ledPin, HIGH); // turn the LED on
} 
else 
{
digitalWrite(ledPin, LOW); // otherwise turn it off
}
delay(10); // Wait 10 milliseconds for next reading
}