diff --git a/I2C_SLAVE_PHOTORESISTOR/I2C_SLAVE_PHOTORESISTOR.ino b/I2C_SLAVE_PHOTORESISTOR/I2C_SLAVE_PHOTORESISTOR.ino
index 4f98c64..545213d 100644
--- a/I2C_SLAVE_PHOTORESISTOR/I2C_SLAVE_PHOTORESISTOR.ino
+++ b/I2C_SLAVE_PHOTORESISTOR/I2C_SLAVE_PHOTORESISTOR.ino
@@ -6,6 +6,7 @@ int lightPin = 0;
 
 void setup()
 {
+  pinMode(13, OUTPUT);
   Wire.begin(7); // join i2c bus with address #7
   Wire.onRequest(requestEvent); // register event
   Serial.begin(9600); //Begin serial communcation
@@ -13,11 +14,14 @@ void setup()
 
 void loop()
 {
-  Serial.println(analogRead(lightPin));
-  delay(1000);
+  //Serial.println(analogRead(lightPin));
+  //delay(60000);
 }
 
 void requestEvent()
 {
   Wire.write(analogRead(lightPin)); // respond with message of 6 bytes
+  digitalWrite(13, HIGH);
+  delay(50);
+  digitalWrite(13, LOW);
 }