Analog Write Issue with Xbee

Projects Networking, Protocols, and Devices
2 
  Serial.begin(9600);

The stone age is over. Pick up the speed.

  mapvalue = map(Reading, 0, 1023, 0, 255); //mapping 0-1023 value to 0-255

That's a pretty expensive way to divide by 4.

  delay(10);

WTF? I thought you said speed was important.

    delay(10);
    delay(10);

I guess not. Never mind. Forget I posted anything.