#include <RCSwitch.h>

RCSwitch mySwitch = RCSwitch();

void setup() {

  Serial.begin(9600);
  
  // Transmitter is connected to Arduino Pin #10  
  mySwitch.enableTransmit(10);
  
}

void loop() {

  /* using binary code */
  mySwitch.send("01100101 01111000 01101010");
  delay(100);
}