removing TwitterClient since it does not include OAuth, which is now needed for Twitter logins. Adding TelnetClient examexample.

Author: tigoe

examples/PachubeClient/PachubeClient.pde

@@ -11,7 +11,7 @@
  * Ethernet shield attached to pins 10, 11, 12, 13
  
  created 15 March 2010
- updated 25 July 2010
+ updated 4 Sep 2010
  by Tom Igoe
  
  http://www.tigoe.net/pcomp/code/category/arduinowiring/873
@@ -55,7 +55,7 @@ void setup() {
 
 void loop() {
   // read the analog sensor:
-  int sensorReading = analogRead(0);   
+  int sensorReading = analogRead(A0);   
 
   // if there's incoming data from the net connection.
   // send it out the serial port.  This is for debugging

examples/PachubeClientString/PachubeClientString.pde

@@ -14,7 +14,7 @@
  * Ethernet shield attached to pins 10, 11, 12, 13
  
  created 15 March 2010
- updated 25 July 2010
+ updated 4 Sep 2010
  by Tom Igoe
  
  This code is in the public domain.
@@ -57,13 +57,13 @@ void setup() {
 
 void loop() {
   // read the analog sensor:
-  int sensorReading = analogRead(0);   
+  int sensorReading = analogRead(A0);   
   // convert the data to a String to send it:
   String dataString = String(sensorReading);
 
   // you can append multiple readings to this String if your
   // pachube feed is set up to handle multiple values:
-  int otherSensorReading = analogRead(1);
+  int otherSensorReading = analogRead(A1);
   dataString += ",";
   dataString += String(otherSensorReading);
 

examples/TelnetClient/TelnetClient.pde

@@ -0,0 +1,89 @@
+/*
+  Telnet client
+ 
+ This sketch connects to a a telnet server (http://www.google.com)
+ using an Arduino Wiznet Ethernet shield.  You'll need a telnet server 
+ to test this with.
+ Processing's ChatServer example (part of the network library) works well, 
+ running on port 10002. It can be found as part of the examples
+ in the Processing application, available at 
+ http://processing.org/
+ 
+ Circuit:
+ * Ethernet shield attached to pins 10, 11, 12, 13
+ 
+ created 14 Sep 2010
+ by Tom Igoe
+ 
+ */
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+// 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, 0xED };
+byte ip[] = { 
+  192,168,1,177 };
+
+// Enter the IP address of the server you're connecting to:
+byte server[] = { 
+  1,1,1,1 }; 
+
+// Initialize the Ethernet client library
+// with the IP address and port of the server 
+// that you want to connect to (port 23 is default for telnet;
+// if you're using Processing's ChatServer, use  port 10002):
+Client client(server, 10002);
+
+void setup() {
+  // start the Ethernet connection:
+  Ethernet.begin(mac, ip);
+  // start the serial library:
+  Serial.begin(9600);
+  // give the Ethernet shield a second to initialize:
+  delay(1000);
+  Serial.println("connecting...");
+
+  // if you get a connection, report back via serial:
+  if (client.connect()) {
+    Serial.println("connected");
+  } 
+  else {
+    // if you didn't get a connection to the server:
+    Serial.println("connection failed");
+  }
+}
+
+void loop()
+{
+  // if there are incoming bytes available 
+  // from the server, read them and print them:
+  if (client.available()) {
+    char c = client.read();
+    Serial.print(c);
+  }
+
+  // as long as there are bytes in the serial queue,
+  // read them and send them out the socket if it's open:
+  while (Serial.available() > 0) {
+    char inChar = Serial.read();
+    if (client.connected()) {
+      client.print(inChar); 
+    }
+  }
+
+  // if the server's disconnected, stop the client:
+  if (!client.connected()) {
+    Serial.println();
+    Serial.println("disconnecting.");
+    client.stop();
+    // do nothing:
+    while(true);
+  }
+}
+
+
+
+

examples/TwitterClient/TwitterClient.pde

@@ -10,6 +10,8 @@
  
  created 18 Dec 2009
  by David A. Mellis
+ modified 4 Sep 2010
+ by Tom Igoe
  
  */
 
@@ -53,11 +55,11 @@ void loop()
           client.println();
 
           // output the value of each analog input pin
-          for (int i = 0; i < 6; i++) {
+          for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
             client.print("analog input ");
-            client.print(i);
+            client.print(analogChannel);
             client.print(" is ");
-            client.print(analogRead(i));
+            client.print(analogRead(analogChannel));
             client.println("<br />");
           }
           break;