Lamp on and off with remote and phone

gistfile1.ino

#include <IRremote.h>
int redLed = 9; 
const int irReceiverPin = 2;
const int ledPin = 3;
IRrecv irrecv(irReceiverPin); //create an IRrecv object
decode_results decodedSignal; //stores results from IR sensor


void setup() {
Serial.begin(9600); 
pinMode(redLed,OUTPUT);
analogWrite(redLed,20);
pinMode(ledPin, OUTPUT);
irrecv.enableIRIn(); // Start the receiver object
}
boolean lightState = false; //keep track of whether the LED is on
unsigned long last = millis(); //remember when we last received an IRmessage


void loop(){
if (irrecv.decode(&decodedSignal) == true) //this is true if a message has been received
 
{
if (millis() - last > 250) { //has it been 1/4 sec since last message
lightState = !lightState; //toggle the LED
digitalWrite(ledPin, lightState);
analogWrite(redLed,0); 
}
last = millis();
irrecv.resume(); // watch out for another message

  
} 

if (Serial.available() > 0) {
    int thisChar = Serial.read();

    // say what was sent:
    Serial.print("You sent me: \'");
    Serial.write(thisChar);
    if (thisChar=='h')
    {
     
    digitalWrite(9, HIGH); 
    }
    else {
    digitalWrite(9, LOW);
    }
    Serial.print("\'  ASCII Value: ");
    Serial.println(thisChar);

     Serial.println();
    Serial.println("Give me another byte:");
    Serial.println();
  }
}