trev/arduino/src/sketch.ino

#include <RCSwitch.h>

RCSwitch mySwitch = RCSwitch();

int mode = 0;
boolean on = false;

void setup()
{
  Serial.begin(9600);
  mySwitch.enableTransmit(3);
}

void loop()
{
  if(Serial.available()) {
    mode = Serial.read();
      
    switch (mode) {
      
      case 126:
      
        if(on) {
          controlRCOutlets("0FFF0FFF0000");
          Serial.println("Light is off.");
          on = false;
        } else {
          controlRCOutlets("0FFF0FFF000F");
          Serial.println("Light is on.");
          on = true;
        }
      
        break;
    }
  }
}

void controlRCOutlets(const char* sCodeWord) {
  mySwitch.sendTriState(sCodeWord);
  delay(1000); 
}