UDP Problem

Im having a problem with my UDP communication. I used the UDP send and receive string code from the examples. I have also created a little c# program to send strings to the arduino. When I send a string from the C# program I see it in the serial monitor no problem. The problem comes when I want to turn on an LED if the string send over matched a set sting I created.

Here is my code.

#include <SPI.h>         // needed for Arduino versions later than 0018
#include <Ethernet.h>
#include <EthernetUdp.h>         // UDP library from: bjoern@cs.stanford.edu 12/30/2008

// Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network:
byte mac[] = {  
  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xAA };
IPAddress ip(192, 168, 0, 177);

unsigned int localPort = 8888;      // local port to listen on

// buffers for receiving and sending data
char packetBuffer[UDP_TX_PACKET_MAX_SIZE]; //buffer to hold incoming packet,
char  ReplyBuffer[] = "acknowledged";       // a string to send back
char TestLED[] = "1"; // This is the string that if matched to what was sent should turn on the LED
int LED8 = 8;

// An EthernetUDP instance to let us send and receive packets over UDP
EthernetUDP Udp;

void setup() {
  // start the Ethernet and UDP:

  pinMode(LED8, OUTPUT);  

void loop() {
  // if there's data available, read a packet
  int packetSize = Udp.parsePacket();
    Serial.print("Received packet of size ");
    Serial.print("From ");
    IPAddress remote = Udp.remoteIP();
    for (int i =0; i < 4; i++)
      Serial.print(remote[i], DEC);
      if (i < 3)
    Serial.print(", port ");

    // read the packet into packetBufffer
    // send a reply, to the IP address and port that sent us the packet we received
    Udp.beginPacket(Udp.remoteIP(), Udp.remotePort());

  if(packetBuffer == TestLED)
  digitalWrite(LED8, HIGH);

You can’t compare the content of two strings with ==. Look at strcmp()


Thank you so much!!! Everything is working now XD