The "Super Arduino" Book

//This sketch is useful for testing whether or not your ATTiny85

//is uploading code.  It blinks the onboard LED on the TINY AVR 

//USB Stick every half second after you upload the code.

int blinkPin = 0;   /* onboard LED is on pin 1

void setup()

{

  pinMode(blinkPin, OUTPUT);   /* onboard LED is an output

}

void loop()

{

  digitalWrite(blinkPin, HIGH);  /* Turn on LED  */

  delay(500);                    /* Wait half a second  */

  digitalWrite(blinkPin, LOW);   /* Turn off LED */

  delay(500);                    /* Wait half a second  */

}

#include <Stepper.h>

  #define STEPS 2038 

  Stepper stepper(STEPS, 8, 10, 9, 11);

  void setup() {

  }

  void loop() {

  stepper.setSpeed(3); 

  stepper.step(2038); 

  delay(1000); 

  stepper.setSpeed(7); 

  stepper.step(-2038); 

  }

const int buttonPin = 2;    

const int ledPin =  13;    

int buttonState = 0;        

void setup() {

  // initialize the LED pin as an output:

  pinMode(ledPin, OUTPUT);

  // initialize the pushbutton pin as an input:

  pinMode(buttonPin, INPUT);

}

void loop() {

  buttonState = digitalRead(buttonPin);

  if (buttonState == HIGH) {

    // turn LED on:

    digitalWrite(ledPin, HIGH);

  } else {

    // turn LED off:

    digitalWrite(ledPin, LOW);

  }

}

#include <WiFi101.h>

#include <WiFiClient.h>

#include <WiFiServer.h>

#include <WiFiSSLClient.h>

#include <WiFiUdp.h>

#include <SPI.h>

#include <WiFi101.h>

char ssid[] = "networkName";      //  your network SSID (name)

char pass[] = "password";   // your network password

int keyIndex = 0;      // your network key Index number (needed only for WEP)

int ledpin = 6;

bool val = true;

int status = WL_IDLE_STATUS;

WiFiServer server(80);

void setup() {

  Serial.begin(9600);      // initialize serial communication

  Serial.print("Start Serial ");

  pinMode(ledpin, OUTPUT);      // set the LED pin mode

  // Check for the presence of the shield

  Serial.print("WiFi101 shield: ");

  if (WiFi.status() == WL_NO_SHIELD) {

    Serial.println("NOT PRESENT");

    return; // don't continue

  }

  Serial.println("DETECTED");

  // attempt to connect to Wifi network:

  while ( status != WL_CONNECTED) {

    digitalWrite(ledpin, LOW);

    Serial.print("Attempting to connect to Network named: ");

    Serial.println(ssid);                   // print the network name (SSID);

    digitalWrite(ledpin, HIGH);

    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:

    status = WiFi.begin(ssid, pass);

    // wait 10 seconds for connection:

    delay(10000);

  }

  server.begin();                           // start the web server on port 80

  printWifiStatus();                        // you're connected now, so print out the status

  digitalWrite(ledpin, HIGH);

}

void loop() {

  WiFiClient client = server.available();   // listen for incoming clients

  if (client) {                             // if you get a client,

    Serial.println("new client");           // print a message out the serial port

    String currentLine = "";                // make a String to hold incoming data from the client

    while (client.connected()) {            // loop while the client's connected

      if (client.available()) {             // if there's bytes to read from the client,

        char c = client.read();             // read a byte, then

        Serial.write(c);                    // print it out the serial monitor

        if (c == '\n') {                    // if the byte is a newline character

          // if the current line is blank, you got two newline characters in a row.

          // that's the end of the client HTTP request, so send a response:

          if (currentLine.length() == 0) {

            // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)

            // and a content-type so the client knows what's coming, then a blank line:

            client.println("HTTP/1.1 200 OK");

            client.println("Content-type:text/html");

            client.println();

            // the content of the HTTP response follows the header:

            client.print("Click <a href=\"/H\">here</a> turn the LED on pin 9 on<br>");

            client.print("Click <a href=\"/L\">here</a> turn the LED on pin 9 off<br>");

            // The HTTP response ends with another blank line:

            client.println();

            // break out of the while loop:

            break;

          }

          else {      // if you got a newline, then clear currentLine:

            currentLine = "";

          }

        }

        else if (c != '\r') {    // if you got anything else but a carriage return character,

          currentLine += c;      // add it to the end of the currentLine

        }

        // Check to see if the client request was "GET /H" or "GET /L":

        if (currentLine.endsWith("GET /H")) {

          digitalWrite(ledpin, HIGH);               // GET /H turns the LED on

        }

        if (currentLine.endsWith("GET /L")) {

          digitalWrite(ledpin, LOW);                // GET /L turns the LED off

        }

      }

    }

    // close the connection:

    client.stop();

    Serial.println("client disconnected");

  }

}

void printWifiStatus() {

  // print the SSID of the network you're attached to:

  Serial.print("SSID: ");

  Serial.println(WiFi.SSID());

  // print your WiFi shield's IP address:

  IPAddress ip = WiFi.localIP();

  Serial.print("IP Address: ");

  Serial.println(ip);

  // print the received signal strength:

  long rssi = WiFi.RSSI();

  Serial.print("signal strength (RSSI):");

  Serial.print(rssi);

  Serial.println(" dBm");

  // print where to go in a browser:

  Serial.print("To see this page in action, open a browser to http://");

  Serial.println(ip);

}