arduiino

#include <SPI.h>
#include <Ethernet.h>

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
IPAddress server(192,168,1,10);
IPAddress ip(192,168,1,5);

EthernetClient client;

int led = 9;

void conexao(){
 if (Ethernet.begin(mac) == 0) {
    Serial.println("Failed to configure Ethernet using DHCP");
    Ethernet.begin(mac, ip);
  }
  Serial.println("connecting...");

  if (client.connect(server, 80)) {
    Serial.println("connected");
    client.println("GET /android/janela.txt");
    Serial.println("Funcionando");
  }else{
    Serial.println("connection failed");
  }
}

void setup() {
  pinMode(led, OUTPUT);
  Serial.begin(9600);

  conexao();
}

void loop(){
  while(client.connected()){
    if (client.available()) {
    char c = client.read();

      if(c == '0'){
        digitalWrite(led, LOW);
      }else if (c == '1'){
        digitalWrite(led, HIGH);
      }

      Serial.print(c);
    }
  }
  client.stop();

  if (!client.connected()) {
    Serial.println();
    Serial.println("disconnecting.");
    conexao();
  }
}