led_mysensor.ino

#include <MySensor.h> 
#include <SPI.h>

#define LED_PIN 8
#define RADIO_ID 20
#define CHILD_ID 1   

MySensor gw;
MyMessage lightMsg(CHILD_ID, V_LIGHT);


void setup()  
{ 
  gw.begin(incomingMessage, RADIO_ID);
  pinMode(LED_PIN, OUTPUT);
  
  // Register the LED Light with the gateway
  gw.present(CHILD_ID, S_LIGHT);
  
  gw.sendSketchInfo("LED", "1.0");
}

void loop() 
{
  gw.process();
}

void incomingMessage(const MyMessage &message) {
  Serial.println("Got message");
  Serial.print(message.type);
  if (message.type == V_LIGHT) {
    int isOn = atoi(message.data);
    Serial.println("Changing to");
    Serial.println(message.data);
   
    if (isOn == 0) {
      digitalWrite(LED_PIN, LOW);
    }
    else {
      digitalWrite(LED_PIN, HIGH);
    }
  }
}