#include <SoftwareSerial.h>



  // declare my serial ports 0 and 1 (RX, TX)
  SoftwareSerial mySerial(0, 1);

  int ledPin =  8;      //the number of the LED pin
  char val; // Data received from the serial port

  void setup() {
    mySerial.begin(115200); //set baud rate to 115200 bits per second
    pinMode(ledPin, OUTPUT);
  }

  void loop() {
     if (mySerial.available())
    { // If data is available to read,
      val = mySerial.read(); // read it and store it in val
    }
    if (val == 1) {
      digitalWrite(ledPin, HIGH);
    } else {
      digitalWrite(ledPin, LOW);
    }
  }